Razzak Al- Husseini, T. (2015) “ESTIMATION OF MANNING’S ROUGHNESS COEFFICIENT FOR AL-DIWANIYA RIVER”, Journal of Engineering and Sustainable Development, 19(4), pp. 170–184. Available at: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/750 (Accessed: 20 April 2025).