H. Al-Hafidh, Manal. “Mixed Convection in an Horizontal Rectangular Duct Including Interior Circular Core With Time Periodic Boundary Condition”. Iraqi Journal of Chemical and Petroleum Engineering 10, no. 4 (December 30, 2009): 27–38. Accessed May 10, 2024. https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/418.