Risna Husaifa, Niswanto, & 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), 1631–1638. https://doi.org/10.54443/ijset.v3i9.727