The Effectiveness of Classical Guidance in Increasing Drug Resistance Among Adolescents at Pusat Pengembangan Anak Gereja Kristen Perjanjian Baru Pematangsiantar. Insight: Journal of Counseling and Psychology, [S. l.], v. 1, n. 2 March, p. 9–15, 2026. DOI: 10.66851/ijcp.v1i2.196. Disponível em: https://esp-journal.com/index.php/insight/article/view/196. Acesso em: 7 jul. 2026.