O. I. Ojo, T. P. Abegunrin, and M. O. Lasisi. 2018. “Application of Remote Sensing (RS) and Geographic Information System (GIS) in Erosion Risk Mapping: Case Study of Oluyole Catchment Area, Ibadan, Nigeria”. Archives of Current Research International 15 (1):1–11. https://doi.org/10.9734/ACRI/2018/37585.