HERLINA, H. The Literature Review of Principal’s Supervision in Increasing Teacher’s Competence and Performance. PPSDP International Journal of Education, [S. l.], v. 2, n. 2, p. 224–233, 2023. DOI: 10.59175/pijed.v2i2.88. Disponível em: https://ejournal.ppsdp.org/index.php/pijed/article/view/88. Acesso em: 31 jul. 2026.