Mohd-Rahim, Faizul Azli, Chen Wang, Halim Boussabaine, and Hamzah Abdul-Rahman. 2015. “Risk Prevention and Deduction in Software Development Using Fuzzy Membership Function”. Malaysian Journal of Computer Science 28 (3):221-41. https://ijps.um.edu.my/index.php/MJCS/article/view/6864.