Rashid, Junaid, 		Nisar, Muhammad Wasif, 		Mahmood, Toqeer, 		Rehman, Amjad, AND 		Arafat, Syed Yasser.
" A Study of Software Development Cost Estimation Techniques and Models" <em>Mehran University Research Journal of Engineering and Technology</em> [Online], Volume 39 Number 2 (1 April 2020)