Zainudin, Amirah Aina, et al. “Penggunaan Sistem Proses Pengurusan Keselamatan (Process Safety Management System) Di Tapak Pembinaan”. Research in Management of Technology and Business, vol. 2, no. 2, Nov. 2021, pp. 555-70, https://publisher.uthm.edu.my/periodicals/index.php/rmtb/article/view/4977.