FAO, 1974, Surface Irrigation. Land and Water Development Series No. 3 L.J. Booher. Rome.
FAO, 1976, Agro-meteorological field stations. Irrigation and Drainage Paper 27 J. Doorenbos. Rome.
FAO, 1977, Crop water requirements (revised). Irrigation and Drainage Paper 24. J. Doorenbos and W.O. Pruitt. Rome.
FAO, 1979, Yield response to water. Irrigation and Drainage Paper 33. J. Doorenbos and A.H. Kassam. Rome.
FAO, 1989, NGO Case Book on Small Scale Irrigation in Africa. AGL Miscellaneous Paper 15. R. Carter. Rome.
Kay M., 1986, Surface Irrigation: System and Practice. Cranfield Press. Bedford, UK.
Stem P., 1979, Small Scale Irrigation. Intermediate Technology Publications, London, and International Irrigation Information Centre, Bet Dagan.
Withers B. and Vipond S., 1974, Irrigation Design and Practice. Batsford, London.
