Mohammed TA, Abood MM, Yusuf B, Ghazali AH. MANNING ROUGHNESS COEFFICIENT FOR GRASS-LINED CHANNEL. Suranaree J Sci Technol [internet]. 2026 Aug. 27 [cited 2026 Sep. 12];13(4):317-30. available from: https://ph04.tci-thaijo.org/index.php/SUJST/article/view/15921