DINH, Dang Ngoc. Some approaches in policy study. JOURNAL OF SCIENCE AND TECHNOLOGY POLICY AND MANAGEMENT, [S. l.], v. 2, n. 2, p. 96–107, 2017. Disponível em: https://vietnamstijournal.net/index.php/JSTPM/article/view/57. Acesso em: 18 sep. 2026.