Hutabarat, Hitda. “Improving Teacher Competence in Choosing Learning Models Through Academic Supervision Activities at SD Negeri 173382 Huta Tinggi, Parmonangan District, North Tapanuli Regency ”. L’Geneus : The Journal Language Generations of Intellectual Society 10, no. 1 (April 30, 2021): 12-16. Accessed April 17, 2026. http://ejournal.iocscience.org/index.php/geneus/article/view/2139.