Sujino, Sujino, Herlina Herlina, and Iva Sarifah. “Applying Project-Based Learning Based on Playful Learning in Primary Schools: A Study in Indonesia And Finland”. Dinasti International Journal of Education Management And Social Science 6, no. 3 (February 28, 2025): 2348–2354. Accessed April 24, 2025. https://dinastipub.org/DIJEMSS/article/view/4088.