info:oai:icrisat:10015info:ofi/fmt:xml:xsd:journalMwamakambaS NMwamakamba, S NSibandaL MSibanda, L MPittockJPittock, JStirzakerRStirzaker, RBjornlundHBjornlund, HVan RooyenA FVan Rooyen, A FMunguambePMunguambe, PMdemuM VMdemu, M VKashaigiliJ JKashaigili, J JIrrigating Africa: policy barriers and opportunities for enhanced productivity of smallholder farmersInternational Journal of Water Resources Development0790-0627201733824-8385article