Phannalath, Vikate, and Lantip Diat Prasojo. “The Effectiveness of principal’s Competencies Implementation at SMAN 3 and Internasional Budi Mulia Dua Yogyakarta”. Jurnal Akuntabilitas Manajemen Pendidikan 5, no. 2 (October 10, 2017): 220–227. Accessed May 13, 2025. https://jurnal.uny.ac.id/index.php/jamp/article/view/15651.