1.
Krisdianto I, Sudarmiani S, Nugraha N. Problem-Based Learning Model in Elementary School Students: Learning Activity and Learning Outcomes. Jor. Eva. Edu [Internet]. 2026Apr.24 [cited 2026May18];7(2):390-8. Available from: https://cahayaic.digisstant.com/index.php/JEE/article/view/2655