Badruldin, N. A. ., & Alias, S. N. (2022). Level of Conceptual Understanding Among Secondary Students on Topic of Forces and Motion Using Half-Length Force Concept Inventory (HFCI). ICCCM Journal of Social Sciences and Humanities, 1(2), 12–20. https://doi.org/10.53797/icccmjssh.v1i2.2.2022