Dinh, N. L., & M.A Nguyen, V. H. (2021). Some factors affecting the effectiveness of social work activities in supporting drug addicts concentrated in No. II drug addiction treatment facility in Hoa Binh province, Vietnam. GPH-International Journal of Social Science and Humanities Research, 4(07), 12-20. Retrieved from https://gphjournal.org/index.php/ssh/article/view/454