Risna Husaifa, Niswanto, and 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), vol. 3, no. 9, Aug. 2024, pp. 1631-8, doi:10.54443/ijset.v3i9.727.