M.S. Yusof, F.M. Isa, & M.Z. Yahaya. (2024). Mastery of Air Conditioning System Installation Skills: A Case Study. Politeknik & Kolej Komuniti Journal of Social Sciences and Humanities, 9(2), 14–25. Retrieved from https://app.mypolycc.edu.my/journal/index.php/PMJSSH/article/view/677