UMI KALSUM, Eka; SIREGAR, Roswani; SIPAHUTAR, Ervina Sari; SIPAHUTAR, Anjani; SAPUTRA, Jarnawi Hadi. Meningkatkan kualitas guru melalui pendidikan dan pelatihan di SMP Swasta PTPN. IV Dolok Hilir. Jurnal Derma Pengabdian Dosen Perguruan Tinggi (Jurnal DEPUTI), [S. l.], v. 5, n. 2, p. 414–422, 2025. DOI: 10.54123/deputi.v5i2.444. Disponível em: https://jurnal.alazhar-university.ac.id/index.php/deputi/article/view/444. Acesso em: 22 jun. 2026.