“INTERACTION EFFECTS OF HYDRODYNAMICALLY FULLY DEVELOPED PRIMARY FLOW AND SECONDARY FLOW IN THE THERMAL ENTRANCE REGION OF ANNULAR DUCT”. Journal of Engineering 17, no. 05 (October 1, 2011): 1324–1334. Accessed May 19, 2024. https://joe.uobaghdad.edu.iq/index.php/main/article/view/3004.