1. The Business Case for Solar Irrigation in Kenya,2018
2. AquaCrop, the crop water productivity model;mejias;Food and Agriculture Organisation (FAO),2017
3. Chapter 2 - FAO Penman-Monteith equation;allen;Crop EvapotranspirationGuidelines for Computing Crop Water RequirementsFAO Irrigation and Drainage Paper 56,1998
4. Depth to Groundwater;British Geological Survey,2018
5. Quantitative maps of groundwater resources in Africa