Wekulo, Saidi Fwamba. 2017. “Evaluation of Land Use/Land Cover Change With Time in Assessing Soil Erosion Risk in Isiukhu River Catchment, Kakamega County, Kenya”. American Scientific Research Journal for Engineering, Technology, and Sciences 33 (1):76-99. https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/3104.