K. Zahreen Mohd Arof, S. Ismail, and A. Latif Saleh, “Contractor’s Performance Appraisal System in the Malaysian Construction Industry: Current Practice, Perception and Understanding”, IJET, vol. 7, no. 3.9, pp. 46–51, Jul. 2018, doi: 10.14419/ijet.v7i3.9.15272.