Effect Of Flow Resistance In Open Rectangular Channel Noor Aliza Ahmad, Saiful Iswal Saiful Bahry, Zarina Md Ali, Azra Munirah Mat Daud and Sabariah Musa MATEC Web Conf., 97 (2017) 01107 Published online: 01 February 2017 DOI: 10.1051/matecconf/20179701107