1. Anhwange B.A, Agbaji E.B dan Gimba E.C. 2012. Impact Assessment of Human Activities and Seasonal Variation on River Benue, Within Makurdi Metropolis. Journal of Science and Technology,2:248-254.
2. Apriliana, R., Rudiyanti, S,. dan Purnomo, W.P. 2014. Keanekaragaman jenis bakteri perairan dasar berdasarkan tepi tutupan permukaan perairan di Rawa Pening. Diponegoro Journal of Maquares, 3(2) 119-128.
3. Asdak, C.1995. Hidrologi dan Pengelolaan Daerah Aliran Sungai. Fakultas Pertanian PPSDAL. UGM Press. Yogyakarta.
4. Bonnin, E. P. Biddinger, E. U., Botte, G.G.,2008, Effect of Catalyst on Electrolysis of Amonia Efflents, Journal of Power Souces, 182, 284-290.
5. Casali, J.R., Gimenez., de Lersundi, D.V., Goni, M., Campo, M.A., chahor, Y., Gastesi, R., and Lopez, J.2010. Sedimen Production and waterquality of watersheds with contrasting land use in Naverre (Spain). Agricultural water Management, 97, 1683-1694.