Abas, Abdul Aziz, Zulhabri Ismail, Faridah Ismail, and Ruslan Affendy Arshad. “Cost of Preliminaries of Construction Projects for Civil Infrastructure Works in Malaysia”. Sains Humanika 9, no. 2 (March 29, 2017). Accessed December 19, 2024. https://sainshumanika.utm.my/index.php/sainshumanika/article/view/1032.