Syd Ali, Busyairah, and Zarinah Mohd. Kasirun. “Crosscutting Concern Identification at Requirements Level”. Malaysian Journal of Computer Science 21, no. 2 (December 1, 2008): 78–87. Accessed May 19, 2024. https://ejournal.um.edu.my/index.php/MJCS/article/view/6321.