Sururuddin, M., N. K. Suarni, and I. G. Margunayasa. “Meta Analysis Of Learning Models Problem Based Learning In Improving Critical Thinking Skills In Primary Schools”. IJE : Interdisciplinary Journal of Education, vol. 2, no. 1, Mar. 2024, pp. 12-18, doi:10.61277/ije.v2i1.72.