“The Influence of Managerial Skills and Principal Performance on the Quality of Education at State Senior High School 1 South Indralaya”. JMKSP (Jurnal Manajemen, Kepemimpinan, dan Supervisi Pendidikan) 11, no. 1 (August 1, 2026): 532–539. Accessed October 24, 2026. https://jurnal.univpgri-palembang.ac.id/index.php/JMKSP/article/view/22441.