Mohamad Shukery, Nurshikin, Roslan Amirudin, Nafisah Abdul Rahiman, Hamizah Liyana Tajul Ariffin, and Syamsul Hendra Mahmud. 2018. “Selection of Contractor: A Flexible Performance-Based Approach”. International Journal of Engineering & Technology 7 (3.21): 338-44. https://doi.org/10.14419/ijet.v7i3.21.17184.