Kathuli, P., Itabari, J. K., Nguluu, S. N., & Gichangi, E. M. (2011). Farmer Perceptions On Sub-Soiling Technology For Rain-Water Harvesting In Eastern Kenya. East African Agricultural and Forestry Journal, 76(1&2). Retrieved from https://www.kalro.org/www.eaafj.or.ke/index.php/path/article/view/420