Factor Affecting the Application of Sem Marketing at Small and Medium Enterprises in Hanoi Journal title: International Journal of Social Science And Human Research Authors: Tran Trong Duc, Vu Quoc Thanh, Dao Thi Hai Anh, Nguyen Do Quynh Trang, Tran Thi Huyen Anh, Nguyen Ti... Subject(s): Economics, Humanities, Law, Social Sciences, Literature, Sociology of Education, Criminology, Public Administration