Yunita, Ima, and Purwadhi Purwadhi. “Pengaruh Program Sertifikasi Dan Supervisi Satuan Pendidikan Terhadap Kinerja Guru Di SMKS Kabupaten Bandung Barat”. Service Management Triangle: Jurnal Manajemen Jasa 3, no. 1 (May 28, 2021): 39-44. Accessed January 15, 2025. https://ejurnal.ars.ac.id/index.php/jsj/article/view/506.