Ali, Mufti, and Erianjoni Erianjoni. “The Social Behavior of Adolescents Girls in Pastem Gang and Petarung LA Gang at Padang Pariaman Regency: Adolescents Girls Behavior in Gang”. Science and Environmental Journal for Postgraduate 3, no. 1 (December 14, 2020): 34–38. Accessed November 27, 2025. http://senjop.ppj.unp.ac.id/index.php/senjop/article/view/74.