Djamaa, W., Ghomri, A. and Khechana, S. 2021. STUDY OF THE EXPERIMENTAL APPROACH OF THE RELATIVE THRESHOLD OF THE HYDRAULIC JUMP EVOLVING IN A RECTANGULAR CHANNEL OF COMPOSED SECTION WITH ROUGH MINOR BED. Journal of Fundamental and Applied Sciences. 13, 2 (Apr. 2021), 1079–1092. DOI:https://doi.org/10.4314/jfas.v13i2.24.