Darweesh, M. S., W. A. Salah, T. M. Awwad, E. M. Ragab, and A. A. Ahmed. “An Improved Form of Hazen-Williams Equation for Pressurized Flow”. Engineering, Technology & Applied Science Research, vol. 14, no. 3, June 2024, pp. 14640-4, doi:10.48084/etasr.7511.