Mohamed Zaki, Suhaina, Radziah Mohamad, Shahliza Abd Halim, and Nor Bahiah Ahmad. “Variability Management in Software Product Lines Online Learning Applications”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 9, no. 3-5 (October 20, 2017): 157–162. Accessed May 3, 2024. https://jtec.utem.edu.my/jtec/article/view/2986.