ZAINUDIN A. TALIB, MUHAMMAD MUIZZUDDIN, AIDIL MUZAFFAR, MALVINN RUNGAI, and HAIRUDDIN MOHAMMAD. 2025. “Penanda Paip PVC Dan UPVC”. Multidisciplinary Applied Research and Innovation 6 (4): 109-14. https://publisher.uthm.edu.my/periodicals/index.php/mari/article/view/17136.