Akhtar, T., M. Mushtaq, G. Muhammad, Y. N. Anjam, and R. Hussain. “Direct Boundary Element Method for Ideal Flow over the Surface of a Joukowski Aerofoil Using Linear Element Approach”. Journal of the Pakistan Institute of Chemical Engineers 43, no. 2 (May 7, 2015): 15–22. Accessed February 15, 2025. http://piche.org.pk/journal/index.php/jpiche/article/view/224.