Nur Islamiah, I. ., H. . Marhaeni Munthe, L. . Elida, B. Badaruddin, and B. . Hafi. “Social Relations of Drug Abusers (A Study on Alumni and Students of The University of North Sumatra)”. International Journal of Social Science, Education, Communication and Economics (SINOMICS JOURNAL), vol. 2, no. 6, Jan. 2024, pp. 1517-24, doi:10.54443/sj.v2i6.245.