Validity and Reliability the Questionnaires of Teachers` Self-Efficacy and Teaching Competency in School Drug Education. International Journal of Pedagogy and Learning Community (IJPLC), [S. l.], v. 2, n. 2, p. 65–77, 2025. DOI: 10.24036/ijplc.v2i2.19. Disponível em: https://ijplc.ppj.unp.ac.id/index.php/ijplc/article/view/19. Acesso em: 6 jun. 2026.