Sharmiza Kamaruddin, Bakiss Hiyana Abu Bakar, & Rina Raha Abdul Hamid. (2022). Star/Delta Three Phase System: Educational Trainer. Politeknik & Kolej Komuniti Journal of Social Sciences and Humanities, 7(1), 75–84. Retrieved from https://app.mypolycc.edu.my/journal/index.php/PMJSSH/article/view/224