Nazeer, Shahbaz, Tahir Abdullah, Nadim Asif, Beenish Yaseen, M. Mehran Arshad Khan, and Afzaal hussain. “QSMSR Principal Model”. Journal of Asian Scientific Research 2, no. 3 (March 19, 2012): 145–149. Accessed July 3, 2024. https://archive.aessweb.com/index.php/5003/article/view/3337.