“Thermo-Hydraulic Performance of Horizontal Circumferentially Ribbed Double Pipe Heat Exchanger” (2014) Journal of Engineering and Sustainable Development, 18(3), pp. 183–196. Available at: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/916 (Accessed: 18 May 2024).