WASET
Otieno, S. , Jayne, T. , Muyanga, M. (2015), 'The Effects of Soil Chemical Characteristics on Accumulation of Native Selenium by Zea mays Grains in Maize Belt in Kenya', World Academy of Science, Engineering and Technology, Open Science Index 107, International Journal of Agricultural and Biosystems Engineering, 9(11), 1163 - 1167.