Purba S, Wudjud WS, Sitohang SA, Purba K, Nababan DTM. Isak 335 Training At Penuh Penghapan And Pelita Harapan Orphanages. jpm [Internet]. 2025 Sep. 9 [cited 2025 Sep. 12];6(1):203-12. Available from: https://penerbitgoodwood.com/index.php/jpm/article/view/3754