Asertive Training As Character Education To Reduce Smoking Behavior Among Student In Industrial Revolution Era 4.0. International Journal of Applied Guidance and Counseling, [S. l.], v. 1, n. 1, p. 1–8, 2020. DOI: 10.26486/ijagc.v1i1.1043. Disponível em: https://ejurnal.mercubuana-yogya.ac.id/index.php/IJAGC/article/view/1043. Acesso em: 28 apr. 2026.