Muljadi, Cynthia, Lusiana Idawati, and Ardi Ardi. “Developing Leadership Skills in Administrative Staff Through Professional Development Program at School Pelita Harapan”. JIIP - Jurnal Ilmiah Ilmu Pendidikan 5, no. 7 (July 11, 2022): 2547-2553. Accessed June 29, 2025. https://jiip.stkipyapisdompu.ac.id/jiip/index.php/JIIP/article/view/723.