I. NURMALA, R. RACHMAYANTI, M. MUTHMAINNAH, E. PERTIWI, N. HARRIS, y Y. PUSPITA DEVI, «Students attitudes towards reactivation of peer counselor program to prevent substance use», Utopía y prax. latinoam., vol. 25, n.º 1, pp. 134-143, ago. 2020.