Abong’o. D.A, Cherotich.S, and Onyatta. J.O, “Seasonal Variation of Major Nutrients and Selected Physicochemical Parameters in Soil from Small Scale Tea Farms Along Sulal River, Bureti Sub County, Kericho County, Kenya”, Journal of Science & Technology (JST), vol. 7, no. 9, pp. 102–116, Nov. 2022.