HARAHAP, M. J. The Effect of Principal’s Supervision on Teachers’ Performance. PPSDP International Journal of Education, [S. l.], v. 4, n. 2, p. 553–558, 2025. DOI: 10.59175/pijed.v4i2.536. Disponível em: https://ejournal.ppsdp.org/index.php/pijed/article/view/536. Acesso em: 31 jul. 2026.