Badara, Aris, Marwati Marwati, and Sulfiah Sulfiah. “Improving Elementary School Student Learning Outcomes Through Teacher Professional Development”. International Journal of Educational Research Excellence (IJERE) 3, no. 1 (February 28, 2024): 117–125. Accessed May 14, 2024. https://ejournal.ipinternasional.com/index.php/ijere/article/view/798.