Apriani, Wari. “The Influence of the School Principal’s Leadership Style and Teacher’s Motivation on Teacher’s Discipline in SMP Negeri at Penukal Utara District”. Journal of Social Work and Science Education 4, no. 3 (June 24, 2023): 1277–1292. Accessed May 2, 2026. https://ejournal.sembilanpemuda.id/index.php/jswse/article/view/672.