“Pelaksanaan Manajemen Sumber Daya Manusia dalam Meningkatkan Profesionalitas Guru SMPN 51 Jakarta”, SJIPP, vol. 1, no. 3, pp. 91–96, Apr. 2023, Accessed: Sep. 19, 2024. [Online]. Available: https://instructionaljournal.com/index.php/sinau/article/view/40