A. Tesfaye, E. Mekonnen, M. . Girma, T. Birhanu, and W. Shiferaw, “ASSESSMENT ON NATURAL RESOURCE MANAGEMENT IN NYANGATOM DISTRICT OF SOUTH OMO ZONE, SOUTH ETHIOPIA”, Int. J. Res. Granthaalayah, vol. 3, no. 4, pp. 70–89, Apr. 2015.