Tanui, Josephat Kipyegon; Kioni, Paul Ndirangu; Kariuki, Peter Ngugi; Ngugi, John Mburu(International Journal of Energy and Environmental Engineering, 2018-05-17)
Wakiru, James; L., Pintelon; P., CHEMWENO; Muchiri, Peter Ng’ang’a(Journal of Applied Sciences, Engineering and Technology for Development JASETD, 2018-05)