Butai, Siti Nazirah, and Fatin Aliah Phang. 2018. “Relationship Between Dimension Metacognition and Students’ Ability Level in Physics Problems Solving Involving the Use of Free-Body Diagram”. The International Journal of Humanities & Social Studies 6 (7). https://internationaljournalcorner.com/index.php/theijhss/article/view/131778.