Khtira, Amal, Anissa Benlarabi, and Bouchra El Asri. “Model Defects in Evolving Software Product Lines: A Review of Literature”. American Scientific Research Journal for Engineering, Technology, and Sciences 45, no. 1 (July 22, 2018): 20–41. Accessed May 3, 2024. https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/4238.