Anwar, Muhamad Firdaus, Nur Diyana Md. Shariff, Teoh Chia Chia, Lim Xin Jie, Salman Riazi Mehdi Riazi, and Mohd Nasrun Mohd Nawi. 2017. “Implementation of Performance Based Contracting in Malaysia”. International Review of Management and Marketing 6 (8S):286-93. https://econjournals.com/index.php/irmm/article/view/4062.