Flayh, Ayser Munner, and Sajida Lafta Ghashim. “The Porosity Effect of Stainless Steel Balls on Forced Convection Pipe Flow”. Al-Nahrain Journal for Engineering Sciences 22, no. 2 (July 21, 2019): 102–108. Accessed May 30, 2026. https://nahje.journalpath.com/nahje/article/view/493.