K. Salahi, J. Ahadiyan, Y.- hong Zeng, H. A. Nadian, and M. Sajjadi, “Laboratory Investigation of the Effect of Particle and Vegetation Roughness on Changes in Drag Force in an Open Channel”, JEAM, vol. 12, no. 3, pp. 221–230, Aug. 2026, doi: 10.5890/JEAM.2024.09.001.