Risna Husaifa, Niswanto and Ismail 2024. 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). 3, 9 (Aug. 2024), 1631–1638. DOI:https://doi.org/10.54443/ijset.v3i9.727.