Qasim Rdhaiwi, A.; Khoshfetrat, A. .; Fathi, A. . EXPERIMENTAL INVESTIGATION OF SCOUR DOWNSTREAM OF A C-TYPE TRAPEZOIDAL PIANO KEY WEIR WITH STILLING BASIN. J. eng. sustain. dev. 2023, 27 (6), 688-697. https://doi.org/10.31272/jeasd.27.6.2.