Sabarani, Nur Ayunni, et al. “Kesan Perintah Kawalan Pergerakan (PKP) Kepada Kos Projek Pembinaan Di Selangor”. Research in Management of Technology and Business, vol. 3, no. 1, June 2022, pp. 482-9, https://publisher.uthm.edu.my/periodicals/index.php/rmtb/article/view/7143.