Amarullah, Aliah, and Lantip Diat Prasojo. 2026. “Improving Teachers Pedagogical Competence in Differentiated Intruction for Slow Learners through a Professional Learning Community (PLC)”. Jurnal Penelitian Ilmu Pendidikan 19 (2):125—138. https://jurnal.uny.ac.id/index.php/jpip/article/view/100635.