River Debris Management System using Off-Grid Photovoltaic ModuleIntan Mastura Saadon, Herlanda Windiarti, Md Nazri Othman, Emy Zairah Ahmad and Khalil Azha Mohd AnnuarMATEC Web Conf., 97 (2017) 01070DOI: https://doi.org/10.1051/matecconf/20179701070