Radiansyah, Radiansyah, Raihanah Sari, Fathul Jannah, Yogi Prihandoko, and Nahdia Fitri Rahmaniah. “Improving children’s Critical Thinking Skills in Elementary School through the Development of Problem Based Learning and HOTS Models”. International Journal of Curriculum Development, Teaching and Learning Innovation 1, no. 2 (March 23, 2023): 52–59. Accessed May 26, 2026. https://trigin.pelnus.ac.id/index.php/Curriculum/article/view/66.