Gultom, Tiamsa. “Penilaian Kinerja Guru Mengenai Profesionalisme Guru Di Smp Negeri 2 Pangaribuan Kabupaten Tapanuli Utara Tahun 2020”. Journal Of Education And Teaching Learning (JETL) 2, no. 3 (December 15, 2020): 29-43. Accessed November 26, 2024. https://pusdikra-publishing.com/index.php/jetl/article/view/66.