Umi Kalsum, Eka, Roswani Siregar, Ervina Sari Sipahutar, Anjani Sipahutar, and Jarnawi Hadi Saputra. “Meningkatkan Kualitas Guru Melalui Pendidikan Dan Pelatihan Di SMP Swasta PTPN. IV Dolok Hilir”. Jurnal Derma Pengabdian Dosen Perguruan Tinggi (Jurnal DEPUTI) 5, no. 2 (July 30, 2025): 414–422. Accessed June 22, 2026. https://jurnal.alazhar-university.ac.id/index.php/deputi/article/view/444.