Illegal Drugs Diffusion in the Philippines: Exploring the Use of SIR Model. Asia Pacific Journal of Social and Behavioral Sciences, [S. l.], v. 17, p. 23–34, 2020. DOI: 10.57200/apjsbs.v17i2599-4891.223. Disponível em: https://apjsbs.buksu.edu.ph/index.php/APJSBS/article/view/114. Acesso em: 4 jun. 2026.