Tsp dli Khoa hoc DHQGHN, Khoa hoc Xa hoi va Nhan van, Tjp 30, So (2014) 1-10 NGHIEN CU'U ^ Lgi fch nhom va van de nhom lgi fch a Viet Nam hien Hoang Van Luan* Trudng Dai hgc Khoa hgc Xa hdi vd Nhdn vdn - Dgi hge Qudc gia Hd Ngi, 336 Nguyen Trdi Thanh Xudn Hd Ndi Viit Nam Nhan ngky 05 thdng 11 nSm 2013 Chmh sua ng&y SOth^g nam 2014; Chip nhan dang ng^y 12 thang nSm 2014 Tom tat: Lgi fch nhdm va nhdm loi i'ch xuat lii?n nhieu uen cac phuang tien truyen thong cr Vi?i Nam ciiiig nhu nhiing tJip chi khoa hoc vdi nhieu cich tiep c^in khac Han che ve m|t the che v^ hanh lang phip ly lien quan den ho^t dpng cua nhdm \