RISNA HUSAIFA; NISWANTO; ISMAIL. IMPLEMENTATION OF ACADEMIC SUPERVISION BY SCHOOL PRINCIPALS TO IMPROVE TEACHER PERFORMANCE AT GUGUS 9 ELEMENTARY SCHOOLS IN LEMBAH SABIL DISTRICT. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET), [S. l.], v. 3, n. 9, p. 1631–1638, 2024. DOI: 10.54443/ijset.v3i9.727. Disponível em: https://ijset.org/index.php/ijset/article/view/727. Acesso em: 11 sep. 2025.