Mohd Aslah, Nur Hafizah, and sulzakimin mohamed. 2022. “Kerja Kalibrasi Pada Geganti Perlindungan (Protection Relay) Dan Penyelenggaraan Pada Pemasangan Elektrik Bagi Industri Kilang Di Johor ”. Research in Management of Technology and Business 3 (1): 406-16. https://publisher.uthm.edu.my/periodicals/index.php/rmtb/article/view/7109.