Samsol Bahri, Mohd Shahrel, et al. “Kajian Perspektif Kontraktor Terhadap Pematuhan Peraturan Pengurusan Sisa Pembinaan”. Research in Management of Technology and Business, vol. 3, no. 1, June 2022, pp. 746-65, https://publisher.uthm.edu.my/periodicals/index.php/rmtb/article/view/7248.