MOHD. SYAWAL BIN NARAWI, L. J. C. N. bin A. R. Bullying Cases Among Students: School Principals’ Self-Efficacy. Academy of Social Science Journal, [S. l.], v. 1, n. 3, 2016. Disponível em: http://innovativejournal.in/index.php/assj/article/view/1986. Acesso em: 2 may. 2024.