Sabah Kassim, Muna, and Shaymaa Fahad Lahij. “NUMERICAL AND EXPERIMENTAL STUDY THE EFFECT OF (SiO₂) NANOPARTICLES ON THE PERFORMANCE OF DOUBLE PIPE HEAT EXCHANGER”. Journal of Engineering and Sustainable Development 23, no. 5 (September 1, 2019): 148–171. Accessed June 4, 2026. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/216.