“SUMBERDAYA MANUSIA GURU SMP DALAM RANGKA PENINGKATAN MUTU PENDIDIKAN (HUMAN RESOURCES OF JUNIOR HIGH SCHOOL TEACHER FOR IMPROVING THE EDUCATION QUALITY)” (2018) Inovasi, 14(1), pp. 28–34. Available at: https://jurnal.sumutprov.go.id/index.php/inovasi/article/view/84 (Accessed: 11 January 2026).