Marlina Dahlan, Siti Mayang Sari, and Akmaluddin. 2024. “THE PERFORMANCE OF CERTIFIED AND NON-CERTIFIED TEACHERS IN IMPROVING LEARNING QUALITY OF STATE JUNIOR HIGH SCHOOLS IN SAMATIGA DISTRICT”. International Conference on Education, Science, Technology and Health (ICONESTH), January, 1028-32. https://doi.org/10.46244/iconesth.vi.190.