Vratama, C. J., Bernas, S. M., & Amin, M. (2018). Water quality assessment based on biological and chemical analysis as a parameter for development of fresh water fishery in Lubuk Karet River of Banyuasin District. Indonesian Journal of Environmental Management and Sustainability, 2(2), 64-68. https://doi.org/10.26554/ijems.2018.2.2.64-68