Alam, Md Mahmud, Delowara Begum, and K Yamamoto. “Flow through a Helical Pipe With Rectangular Cross-Section”. Journal of Naval Architecture and Marine Engineering 4, no. 2 (September 8, 2008): 99–110. Accessed August 16, 2024. https://banglajol.info/index.php/JNAME/article/view/991.