1.
salwi saiful, Wahid A, N J. Effectiveness Of Problem Solving Based Learning Model In The 21st Century In Improving Creativity and Science Learning Outcomes Of Grade IV Students. jee [Internet]. 2025Jul.6 [cited 2026Apr.19];3(2):245-56. Available from: https://www.jurnal-fkip-uim.ac.id/index.php/alena/article/view/414