Boukhanef I1, Khadzhidi A, Poddubsky A, Novikov A, Kastali A, Zeroual A, Gurina R, Sinenko V, Khomenets N, Kucher D, Norezzine A, Rebouh NY 2020. Calibration of Manning’s Roughness coefficient during Floods using HEC RAS model Case study: Allala River. International Journal of Advanced Science and Technology. 29, 11s (Jun. 2020), 2184-2197.