Gueye, Mamadou Salla. “PROPOSAL FOR AN EXTENDED CS-L MODEL”. International Journal of Engineering Technologies and Management Research 10, no. 4 (April 10, 2023): 22–31. Accessed April 21, 2024. https://www.granthaalayahpublication.org/ijetmr-ojms/ijetmr/article/view/1310.