R. Dudi Rudiatna. “KOMPETENSI MANAJERIAL KEPALA SEKOLAH DALAM MENINGKATKAN KINERJA GURU DI SMK NEGERI 14 BANDUNG”. JOEL: Journal of Educational and Language Research 2, no. 4 (November 30, 2022): 601–616. Accessed August 17, 2025. https://www.bajangjournal.com/index.php/JOEL/article/view/4119.