Badruldin NA, Alias SN. Level of Conceptual Understanding Among Secondary Students on Topic of Forces and Motion Using Half-Length Force Concept Inventory (HFCI). ICCCM JSSH [Internet]. 2022 Apr. 21 [cited 2025 Aug. 19];1(2):12-20. Available from: https://www.ejicccm.com/index.php/icccmjssh/article/view/5