Zulham Hidayah Pardede. (2022). Dampak Efektivitas Program Sertifikasi Guru Dalam Meningkatkan Profesionalisme Guru Di Man 2 Model Medan . Proceedings of Annual Conference on Islamic Educational Management, 3(1), 828 - 845. Retrieved from https://proceedings.uinsby.ac.id/index.php/aciem/article/view/659