Musera, Geoffrey Chavangi; Chege, Peninah W.(Proceedings of Gretsa University International MUltidisciplinary Conference Held on: 6-7 Nov. 2017, 2017-11)
Sirengo, Ruth Khatioli; Mundia, Charles N.; Sichangi, Arthur Wafula(SSRG International Journal of Agriculture & Environmental Science (SSRG-IJAES), 2018-04)