B A I B A O KHOA HOG flANH GIA THtfC TRANG PHAT TRIEN THE CHAT CUA HOC SINH LtP 8 (13 TUOI) T H A N H P H K HA Nfii m^^fi igMBn cdu MJioa hgc/ J sd dkittrft ^^iiiRi^pMtMin mim t^ hdng tl am ste tlliii[.]
Trang 1B A I B A O KHOA HOG
flANH GIA THtfC TRANG PHAT TRIEN THE CHAT
CUA HOC SINH LtP 8 (13 TUOI) T H A N H P H K HA Nfii
m^^fi
igMBn cdu MJioa hgc/
J sd dkittrft:^^iiiRi^pMtMin mim t^
hdng tl am ste tlliii^rOn T«^ t ^ ^ ihaoi(Tl>T^ i ^ l t h d a
hi/cmg iQf«n vd tham g^^ h q ^ ngogi khda mfin i^ii^rtiKto thv
c sinh khfii^ ttiam gte «9pluyfn TDTT ngogi Idida | * « i r i l n thi u - ,
ihiyfi TDTT i^o^i khda thuftng xuyln vfi ^ W i i ^ n mfin Karstedoi
Ti> k « B : Thyc trgng, ttil chit, hpc sinh 13 «u« ldp 8 hlnh Ihfil
idmaioiip^^l
sical strygUi ti&tBk^
r we have made fMssimSf d M K - e a l situation (
f ttie Shidents in the groups A < » t | | | M p P n sports e x t r a - u ^ ^ ^ ^ ^ ^
Iports exfra-cumcular and regularly part^pate in Karate extra-curricular Resti
hysical sfaengtti development of shidents who do not participate in sport extra-cun
•an ttie shidents who regularly participate in sports and Karate exfra-curricular i
ttoywords: real sNuation, constitotion, shidents, 13 years old, grade 8 morohoie
physical sfaength, Hanoi
Mai Thj Bich Ngpc*
DAT VAN o i
Myc dich efla tgp luyfn TDTT ngoai khod Id
td chflc cdc hogt dfng TDTT vdo nhflng thdi
gian nhdn roi efla hpc sinh 1 cdch ldnh manh vd
cd npi dung; Gido dye nhflng hilu bilt vd nhflng
kiln diflc sfl dyng mpt cdch to gidc cac phuang
ttfn gido dye TDTT khdc nhau ttong ddi sdng
vd hogt dpng hdng ngdy Tuy nhien ttfn fliye te
tgi nhieu ttudng THCS tgi nhieu tinh, tiidnh ph6
tren ca nude, faogt dpng TDTT ngoai khda Igi
efaua dupe quan tfim dflng mflc
Dl ed eo sd tec dpng eae gifii pfadp nang eao
faieu qufi GDTC ndi chung vfi cdng tec TDTT
ngo^ khda ndi rieng cho hpc sudi THCS flidnh
pho Ha Nfl, ddnh gid dflng fliye ttgng pfadt ttifn
flie chat cfla hpe sudi Id vfin dl quan ttpng, dfic
1 5 ' i x f ? ' ' ' ' ' ''"^ ™*^S ^^° "Jia bfin thdnh
pho Hd Npi, mpt dja phuang cd nhflng dilu kifn
ni^ dfic fliu ve kudi te, cWnh tti, hdnh chudi
LTunfa VI vgy cfaflng tdi tien fadnfa: Danh gia fliye
T n ^ n '^^S^ ^ T 9 ^"^ ™ ^ tin, Thu vi§n
ttgng phdt failn flil chit efla hpc sinh ldp 8 (13 tadi), flidnh pho HdNpi
PHl/dNG P H A P NGHIDN CITU
Trong qud trinh ddnh gid thyc ttgng phdt trien the chat cfla hpc sinh, cfaflng tdi sfl dyng cac phuang phdp nghien cflu sau: Phuong phi^ tham khdo tdi lifu; Phuang phdp quan sdt su phgm; Phuang phdp phdng vin; Phuong phdp kiem tta su phgm; Phuong phdp kilm tra tfim 1^; Phucmg phdp kilm tta y hpc vd phuang phdp todn hpe thong ke
D6i topng kilm tta: 600 hpe sinh fliufc 15 hTTdng THCS ttfn dja bdn flidnh ph6 Hd Nfi, ttong dd cd 300 hpc sudi nam vd 300 hpc sinh
nu, dupe chia thdnh 3 nhdm d6i topng difng qua khdo sdt fliye tl:
Nhdm hpc sinh khdng tgp luyfn TDTT ngogi khda vd tfip luyfn TDTT ngogi khda khfng thudng xuyfn (<2 buoi/tuIn vd mSi budi <30 pfaflt) gSm 268 hpc sinh, trong dd cd 141 nam
Trang 2r
•iirilMMilUHBTllliiii - stf Biii BigTiyffig fiV I r ^ <«.A « £ <_£_ I f '
il
<4
vd 127 nu ^ ; „ , „.^ „^„ „ Nhdm hpc sinh ti,am gia tfin luven TDTT S J f " ^ ^ tren^ chflng tdi tifp tyc tiln hfinh
n ? p g i k h d a f l „ , d n g x u y e n ( S 3 S 6 S t S J I S S S G O T ? ' ^ ' ' ° ^ ^ ' ^ ° ^ ^ ^ ' = ^
nw, buoi far 30 nhiit trA is., ia_ "~" ™! '•' cnuyen gia ODTC 18 giao vien GDTC lau
*^^.^)gLl70Sé3if^^^T2? ^H^i 1.« ^^ ^^ ^^^
nam vfi 145 nụ "vv "-^ >™ig ao co i / 3 ODTC teng idneu hoị Ket qufi lya chpn dupc
^ r S S L S S t h X t y t ^ - ^ l ' ' S i t m t ? g g n % i r ' ^ ^ * ^ ^ ^
fad len, tgp mpt ttian 2-3 budi, mdi budi toOO J^h 9 ° J ^ 8 (kg) vfi Chi sd BMI (kg/ni2)
f_120 pfaflt toy faing CLB) gdm 6 2 ^ 2 2 t i c h ^ ^fố'^^'^'^^^^^'^ tieu chi: Dung
A>i^cd34namvfi28nft.^ ''^ *"^ "^ ^ch song ©; Cdng nfing tim (HW); Phan xg dof
^ QUA NGHIEN dJU VA BAN LUAN (°^)7a Ph^n xg phfic (ms)
^ l L « c h ^ n tifu ehi danh g l i ^ f e d ^ phit tey^^^J-f "^^-^^"S^ test): Lye bdp
thfinh pb6 Ha N$i i -"uoi; A I ^ (s) va Chgy toy sfic 5 pfaflt (m)
Ditiln hfinh lya chpn tieu ehi dfinh gifi mflc d u S T J S ' ' % ' f t ^ l ' ^ y ' ^ ° * ^ y - ^ '^Wtifu
S ^ ^ ' "^^u^^ '^' ''^^ l"^ «i°h % s T n c ^ e S h „ ! ° ^ \ ^ ? ^ " ' ^ ^ ^ p h d t t t i f n f l i f t»4.) ftanh phd Ha Npi ttudc tien chflnTtdi ^ S , i S ^ " ^ - *P ^ ^'^ «?•«•) ^ ^ <^F bkn ihon ftdng qua flumi khfio tfii hfu vfi p h l n j ^ ^ ^^^^° "^ ^^ toang đng vdi kit qufi
hpc sinh «nmecnatcfao Qua bfing 1 eho fliy:
Dhfl^^^ht'l?''^:;."^ tieu chi khaeh quan, Tm^f ? S f " y^*! ^ ' ^ ' ^ P h ^ «='ia flil cfalt:
pW hpp nhat nham đnh gifi mflc dp pfadt ttS J «"^"^^ cae cdng ttinh ngfaien cflu cfla cfic
^ '^' ''^^ hpc smh ldp 8 flianh p h L f i Npi ^ g'a kh, đnh gid sy pfadt ttiln tbk cbit eho
Bfino 1 Di6n hiAn A '"^ '^"^ " ^ ^ ^ ' ' ^ '^^ <=^ <»^u da quan
Bang 1 D.,n bi4n s 6 luyng miu nghien cuu theo cẠ ị> f Ạ ^
Trang 3B A I B A O KHOA HOC
tfim tdi danh gid hinh thai, chflc nang co the (bao
gdm chflc nang tam ly vd sinh ly) mdt sd tdc gid
chi ddnh gia chflc nang suih ly) va trinfa dp the
lyc Trong qua trinh danh gid the cfafit cfao fapc
suih, ehflng tdi ddnh gid cfi dgc diem phdt trien
hinh thai, chflc nang tam - sinh ly va trinh dp
thf lyc efla hpe sinfa
Ve cac test ddnh gid the chfit cho hpc sinh:
Khi tham khdo cdc cdng trinh nghien cflu ve
phdt trien the chat eua fapc sinh efla cdc tec gid
Duong Nghiep Chi, Nguyen Danh Thdi va cdng
sy (2002) PI; Hodng Cdng Dan (2005) t^l; Bfli
Quang Hai (2008) W Do Dudi Quang (2013) M,
Trin Dfle Dung vd edng sy (2014) w, Ddng
Huong Lan (2016) t^ vd tieu ehuin xlp logi till
lyc hpc sudi sinh vien efla Bp Gido due va Dao
tgo l'i cho flily: Tren 60% sd tifu ehi ehung tdi
chat cho hpc sinh ldp 8 (13 todi) flianh phd Hd Npi ttung vdi kit qua nghifn cflu efla cfic tee gia trude day, ttong dd cd cfic tieu cfai fliupc ca 3 ididm: Hinh thai, chflc nfing ca thi vfi ddnh gjfi thf luc hpc sinh
Cd flil Ally, kit qua phdng vin cdc chuyfin gia, can bp quan ly va gido vien GDTC Id dang tui cay, cdc test dupc lua ehpn qua pfadng van pfau hpp dl danh gia mflc dp flil chit cho do! topng nghien cflu
2 Danh gifi thyc trgng thi chit cua hpc sinh Idrp 8 (13 tuoi) thfinh ph6 Hfi Nfi
Tren ca sd 11 tifu ehi da lya ehpn dupc, chung tdi tiln hanh danh gid fliue fagng flil chit cua 600 hpc sinh ldp 8 fliupc 15 ttudng THCS tten dja ban flianh phd Hd Npi (ttong dd cd 300 nam va 300 nu) Kit qua dupc ttfadi bay tgi bdng 2 sfl dung ttong ddnh gid mflc dp phdt triln tfal
Bfing 2 Thyrc trgng the chat cua hpc sinh ldp 8 (13 tu6i) thfinh phd Hfi N$i (n=600)
TT
1
2
i
4
5
6
1
8
9
10
11
Test
Chieu cao (em)
Cfin ngng (kg)
Chi sd BMI (kg/m^)
Dung tich sdng (1)
Cdng nfing tun (HW)
Phfin xg don (ms)
Phdn xg phflc (ms)
Lye bdp tey fliugn (kG)
Bgt xa tgi chd (em)
Cfagy 30m XPC (s)
Chgy toy sflc 5 pfaflt (m)
nam
X
154.08 44.24 18.68 2.42 8.58 350.16 440.69 26.21 177.09 5.84 929.29
5 5.5 3.57 1.79 0.17 0.85
37 45.23 2.61 15.68 0.29 49.04
Cv 3.57 8.07 9.6 6.84 9.95 10.57 10.26 9.94 8.86 5.02 5.28
nir
'x
153.35 42.13 17.94 1.98 8.78 351.41 436.82 24.51 154.78 6.84 794.6
5 5.9 3.83 1.64 0.14 0.74 34.22 49.38 2.58 11.58 0.36 62.25
Cv 3.84 9.09 9.12 7.05 8.41 9.74 11.3 10.51 7.48 5.24 7.83 hinh thdi gdm Chieu cao (cm), cfin ngng (kg),
Chi sd BMI (kg/m2) vd 2 chi so ddnh gid chflc
nfing gom Phdn xa dan (ms) vd Phan xg phuc
(ms) ket qud kilm tta thu dupe cfla nam va nu
cd gid ttj ttung binh gin toong duong nhau Cde
chi tifu cdn lai gom cae ehi sd ddnh gia chuc
nang sudi ly: Dung ticfa sdng (1), Cdng nang tim
(HW) va cdc cfai tieu ddnh gid ttinh dp thi lyc
CO sy cfaenfa lfch gid tti ttung bfadi kit qua kilm
tta cac test gifta nam va nu ldn
Ket qua kilm tta flil cfalt fliu dupc cfla hpe
smfa ldp 8 (13 todi) flidnfa phd Hd Ndi nfim ttong
gioi hgn sinh ly, flie lyc budi thudng cfla ngudi
Vift Nam cung lfla todi, gidi tinh
Ban luan vl vin dl nay cho fliay: Khi so sdnh ket qua nghien cflu cua dl tei vdi kit qud nghien cuu eua mpt so cdng hinh nghifn cflu tieu bilu ttong trong ITnh vyc GDTC vd TDTT ttudng hpe eho thiy:
- vi cic chi si dinh gii hinh thii:
Vi chieu cao (cm): Kit qud do chilu cao
trung binh cua hpc sinh nam Id 154.08cm cao han chieu eao ttung binh cfla ngudi Vift Nam cung lua tooi gidi tinh nfim 2001 (149.77cm) la han 4cm vd chilu cao trung binh efla nfl la 153.35cm, cao han ehilu cao trung binh ciia ngudi Vift Nam cflng lfla todi gidi tinh thdi
Trang 4di«n nam 2001 (148.82em) lfi gin 5cm Kit qufi
nghien cuu cfla de tei cao han mpt chflt kh, so
sdnh va, ket qua nghifn cflu cua tec gifi Trfin
? ^ n ? "^"^ 'y ^2014) (kit qufi do tei dldi
d,em 2010) vm cfaifu eao ttmig bfafli cfla nam
eung lua ttwi, gidi tinfa d khu vuc ddng bfing vdi
«ps^ " ^ J* 153.02cm vfi nfl Id 151.05cm PI, W
i i i i ' • i l % T ' ^ ^ ^ ^ " ^ S trung budi cua nam
»^ la 44.24kg va cfla nft lfi 42.13kg Kit qua nfiy
i i i i " " f ' f ; ' ' " ^ ^° ^ « k^t qui trung budi cua
J > | ngum Viet Nam cung lua todi, gidi tinh duac
*k 37.80kg va nu la 37.54kg) Ddng flidi kit qua
ndy cao hon mdt chflt so khi so sanfa vdi kit qua
nghien cfiu cfla tdc gid Trin Due Dung vd cdne
sy (thai diem nam 2010) vdi hpc sudi nam khu
vyc dong bfing Id 42.10kg vd nfl Id 41 47ke
mflc chenh lfch Id gin 2kg vdi nam vd gin 1kg
vdl nft PI, w e ° " nig
J > Vi ehi si BMI: Chi sd BMI ttung budi cfla
hpc smh ldp 8 (13 todi) tai khu vye Hd Npi Id
I 18.68 VOI nam vd 17.94 ddi vdi nfl Kit qud nav
cao faon nhieu khi so sdnh vdi kit qua dilu tta
the chat nhan dan nam 2001 vdi kit qud BMI
aimg bmh cfla nam Id 16.72 vd cfla nfl la 16.90
h ? ' ° „ '^^ ' " ' ^'*= ' ^ ' ^ 8 (13 todi)
thanhphoHdNpidddi topng nam dat mflc buifa
fttidng va cfla nft cflng tifm can'mflc bud,
Co the aay, cfic ehi sd dfinfa gifi faufl, thai cfla
hpc smh ldp 8 (13 todi) flianfa pfa6 Hfi Npi tdt
' S i n T u ^ " ' " " ^ ' ' ' ! " ' ™ till chit nhfin dan
' [2001) vfi nhmh ban vl gifi ttj ttung budi so vdi
- " ' f a nghien cflu cua tee gifi Trin Dfic Dflng
V* cpng sy (flidi diem nam 2010) khi nghien cflu
t«n hpc sinh THCS khu vyc ddng bfing cflng
h« tuoi gidi tinh Cd till giai fliich do hpc sinh
IHCS flanh pfao Hd Npi cd chl dp dinh dudng
<Beu kifn sinh hogt vd tap luyfn TDTT tdt faon'
nen phfit uifn ve faudi flidi tdt faan
- Ve cic chi si dinh gid chuc ning:
Vi Dung tich sdng (1): Dung tt'cfa sdng ttung
hinh cua nam lfla todi ndy Id 2.421, cua nfl ttung
bmh la 1.981 Tieu chuin ndy toong duong vdi
mue ttung budi cfla ngudi Vift Nam cflng lfla
tuoi, gidi tudi vfi cao hon mpt chflt khi so sdnh
voi ket qua nghien cflu cfla tdc gid Ttfin Diic
Dung vd cpng sy (flidi dilm nam 2010) vdi
dung tich sdng ttung binh cua nam lfi 2 311 vfi cuanula 1.931 W
Vi Cdng ndng tim (HW): Gifi tti ttung budi
cong nang tim dat dupc d lua tadi nay vdi nam
la 8.58 ya nft la 8.78, gia tti nfiy tdt han so vdi tteu chuan ttung budi cfla ngudi Viet Nam cflng lua too,, gidi tinh flidi dilm nfim 2001 (vdi ttung bmh cfla nam la 12.73 vfi cfla nfl la 14.63) ddng flioi cung tdt hon khi so sfinh vdi kit qufi ngfaien cmi cua tac gid Trfin Dfic Dung vd cdng su (flidi diem nam 2010) vdi ttung buih efla nam la
l u j j va cua nfl la 11.72P] W
Viphdn xp: Kit qua k i 4 tta phfin xa don va
phan xa phuc cfla hpc sudi THCS flianh phd Ha
No, a ca dd, tupng nam vfi nft dfu tdt hon khi
so sanh vai ket qua dilu tta flil chit nhfin dfin nam 2001 va so sanh vdi hoc sudi THCS khu vyc mien Bfic cfla tec gifi Trin Dfle Dfing va epng sy * Tom lai, cae ehi sd dfinfa gifi cfafle nang ca flil
cua hpc sndi ldp 8 (13 todi) flifinh pfa6 Ha Npi
1 1 T n ^ ' ' ^ ^ ' ' " ^ • ' j ^ " tia flil cfalt nhan dfin nam 2001 va co mpt sd test tdt ban so vdi kit qua nghifn cflu cfla tec gid Trin Dfle Dung vd cpng sy khi nghien cflu tten hpc sudi khu vyc
n r 2 o 1 ^ ' = ' " ' ' ' ^ * " ^ " ' ^ ' ^ » ^ ( t i , d i d i l m
Vithi lpc Chung: Kit qua kilm tta ca 4 chi
tteu d a n h p ttudi dp flie lyc eua hpc sinh THCS
Janh pho Hd Npi tbn dupc diu cao han mflc
mmg bmh theo tifu ehuin ddnh gifi xlp laai mnh dp the lyc cua Bp Gifio dye vfi Dfio teo dong fliai ket qufi nay cflng cao hon nhilu so vdi ket qua dieu tta flie chfit nfafin dfin nam 2001 nhmh hon mpt cfafit so vdi kit qufi kilm tta ttudi' dpflielyc cua hpc sinh THCS khu vyc ddng bfing
A ^ ke, qua nghien cflu cfla tfie gid T t l ^ S Lhmg va cpng su (flidi diem nam 2010) f^) (^l Tom Igi qua nghien cflu cd flil khfing dinh
» 2 d p phdt ttifn flil cfalt efla hpe s i n h ' S ^ Aupc cac ttuong THCS flifinh pfad Hfi Np7t6t hon faan ^ vd, ngudi Vift Nam cung lfla m S
nZ S T" ' " """ ""^ tia flil efalf n h i d 2
t r S l ' ! r ' ' ' " ™ « ' ' = ^ ' = ^ ° h a n d m p S est kiem tta kh so sfinh vdi kit qufi ddnh gifi fte ehat cua tec gifi Tiln Dfle Dflng v d X ^ klu n^ien cflu vl dae dilm flil cSit fa^^i
mien Bac Viet Nam
353
Trang 5BAI BAO KHOA HOC
Trang 6S / ^ ^ ^ - * ^ <=h& cfla hpc sud, Id; 8 flidnfa
J o Ha Npi, chflng tdi tiln hfinh so sanfạ phfin
= =-: S r ^ , ^ ? ! * ^ tiien All chit cfla fapc sndi flieo
^ I J ? ' ' * ^ ' ^ ^ *«''"yen TDTT" tigoai
r.^; khoa Audng xuyfn, Tham gia tap hiyfn TDTF
< j , f ^ l d K « fliudng xuya, vfi fliam gia tip luyfn
,5;.; Karatedo ngogi khda fliudng xuyea Kit qufi
' j * dupc trinh tey tgi bfing 3
^ Qua bang 3 eho flily: Khi so sfinh flil chit
$ i f ^ ' ^ ! ! ! ° h ' ^ 8 (13 faidi) khdng fliam gia tep
,m tay^TDTTngogikhdafliudngxuy&KnhSn^
- - l ^ g - a % luyfn TDTT ngoai khda fliudng
;-, W&i (nhom 2) vfi fliam gia tap luyfn Karatedo
: , ^ | W khoa diuong xuyfn (nhdm 3) cho dily
~ ; ' ^ f so Wnh flifii, mat du kit qufi kilm
- : " ^ " ^ nhdm 2 vfi nhdm 3 ed eao faon nhdm 1
;.;• ve gid tt, ttung binh nhung khi so sdnh bfing
^ Ajam s o , fln khdng cd sy khdc bift ed y ngfaia
m m k e f ^ t cd cae test vd ttfn cd 3 nhdm đi
'- ^ t J'.^.°'jtfah<tbdng*ngttdngP>0.05
- ^ ^ J ' t i i e ye:Kltqudfl,udupcdcađitopng
; ^ v a aula toong duang nhau vd diu edsu
:, f^b^^coyn^^tbangkekbisosknbnbom
• [ ' * ' f " ™ 2 tey hdm 1 vdnhdm 3 flil hifn 6
- W % d n g o nguong xde suit P<0.05 Dilu đ
difag UiTpe sudi tgp luyfn TDTT ngoai kfada
4udng xuyen vd tgp luyfn Karatedo ngogi khda
toidngxuyencdehflcnfingcaflilvfitthdidpflil
i IVC tot hon so vdi hpc sudi khdng flam gia tfin
[luyfnTTJTrngogikhdafliudngxuyfn "^
vd htah dp flie lyc efla hpc sudi nhdm 2 vfi nhdm
3 m^ du ket qufi kiem tta tt€n hpe sudi nhdm 3
» nhieu chl- so cd gifi ttj ttung binfa tdt han
nhung sykhac bif, d tfit efi cac test diu khdng cd
y nghia flidng ke flil faifn d tri„h<tK- d
•sudng P>0 05 "^ tiidi 'bang °
KfnuAN
1 Lya chpn dupe 11 tieu chi đnh gid mflc
f>.ptet ttien flie chat cho hpc sinh ldp 8 (13
^01) tgi flidnh phd Hd Npị Cdc tieu chi dupc sfl
• m n g tin caỵ cfic test dupc lya ehpn qua
Mig_ van pfau fapp de đnh gid mflc dp flil chit
đi tupng nghien cflụ
2 Qua nghien cfiu cd dil khdng djnh mfic dp
mmnmimiiiTm.^^
i 4
phat ttien flil chit efla hpc sinh ldp 8 fliJJ^c cstr
ttucmg THCS tfianh phd Ha Npi tdt han hfin so
vol ngudi Vift Nam cflng lfla todi, gidi tinh flieo ket qua difu tta flie chat nhan dan nam 2001 vd toong duong khi so sanh vdi kit qua danh gid
4 e chat cua tac gia Tran Dfic Dung vd epng sy khi n ^ e n cuu ve dgc difm tiil chit hoe sinh
m e n Bac Vif, Nam (flidi difm nfim 2010) Etongflioi, mflc dp pMt ttiln flif chit eua nhdm
do topng hpc sudi tap luyfn TDTT ngogi khda
^ xuyen vd tap luyfn ngogi khda mdn Karatedo ttiuong xuyen tdt hon so vdi nhdm đi farpng khong tap luyfn TDTT ngogi khda tfauong xuyen
TAI LIEU THAM KHAO
' 1;^„°'*° '^'^ "^ ^ ^ * ^ (2008), Quylt dinh '^^/^,^;^?lx«f>dnhquydinhvivifcđnhgid,
"^P'oai the lpc hgc sinh sinh viin
2 Duong Nghifp Chi, Nguyin Danh Thdi va
cpng sy (2003) Thpc trpng ihi chit ngu&ij^^i
^^^'Ỵ'''^'0mdi(lhaidiim2001),N^TDT?,
i r i ^ ^ ^ h ^ ^ ^t.°^ ° ^ ^2°°^>' "Nghifin cflu phd, men die cha, eho hpc sudi cdc ttudng phd flidng
^ tpc np ttfi khu vye miln nfli pfaifB^dc t J 15'
17 too, , Lupn an lien si khoa hgc gido due, Vifn
Khoa hpc TDTT, HdNpị - v i f n
a ^ Z t : ^ ^ ^ t'^"^ ' ^ (2014), "Nghien
NC7H ^ ^- L2(A««^2002-2014r,£).^,J
^CKHcapBg, Bp Vfin hda, Tfal fliao vd I ^ Ijcfa
ml^ , h " ^ ^ "f* ^'°°'^' "NgW«" ^ sy phdt
E nh T " ^ ' ^ "^^ '^ ti»h PWa Bdc
bdng pfauong phdp quan sd, dpc (6 din 10 tadi)"
i^^yr^t'^'^^'^'^'^^^oấ^^
6 D^ng Thj Huang Lan (2016) "Ngfaign cfiu pha,ttienfliechfi,cflahpesfaihTliTcfatSe"
-iXSSffinK;;rji;
Truong E ^ hpc Hfii Pfâg^, , ^ ^ ' ^ P ^ ^ r ^ ^
aay 22/11/2016 duyft in ngfiy 5/12/2016)