1. ESTIMATION OF LATENT EVAPORATION FROM SIMPLE WEATHER OBSERVATIONS
2. Brutsaert, W. 1982.Evaporation into the Atmosphere (Theory, History and Applications). D. Reidel Publishing Co., Dordrech, Boston, London299
3. Doorenbos, J. and Pruitt, W. O. 1975.“Guidelines for Predicting Crop Water Requirements.” Irrigation and Drainage Paper 24179Rome: FAO.