Wachjuni, Dwi, Maria Ulpah, and Benny Agus Pribadi. “Comparison of Pedagogical and Professional Competencies of Certified and Uncertified Teachers in State Elementary Schools”. INSANIA : Jurnal Pemikiran Alternatif Kependidikan 27, no. 1 (June 30, 2022): 82–94. Accessed May 6, 2024. https://ejournal.uinsaizu.ac.id/index.php/insania/article/view/6419.