1.
Development of Blended Instructional System Using Problem-based Learning to Enhance Higher Thinking Skills and Problem-Solving Ability in Science for Secondary School Students. Psychosocial rehabilitation [Internet]. 2020 Feb. 29 [cited 2025 Jul. 29];24(1):2172-8. Available from: https://psychosocial.com/index.php/ijpr/article/view/457