info:oai:icrisat:6921info:ofi/fmt:xml:xsd:journalKalunguJ WKalungu, J WFilhoW LFilho, W LHarrisDHarris, DSmallholder Farmers’ Perception of the Impacts of Climate Change and Variability on Rain-fed Agricultural Practices in Semi-arid and Sub-humid Regions of KenyaJournal of Environment and Earth Science2225-094820133129-1407article