1. Adhikari R, Agrawal R (2013) An introductory study on time series modeling and forecasting arXiv preprint. arXiv:13026613
2. Allen RG, Pereira LS, Raes D, Smith M (1998) FAO irrigation and drainage paper No. 56, vol 56. Food and Agriculture Organization of the United Nations, Rome, pp 97–156
3. Ashofteh P-S, Bozorg-Haddad O, Loáiciga HA, Mariño MA (2016) Evaluation of the impacts of climate variability and human activity on streamflow at the basin scale. J Irrig Drain Eng:04016028
4. Baede A, Ahlonsou E, Ding Y, Schimel D (2001) The climate system: an overview. In: Climate change 2001: impacts, adaptation and vulnerability. Cambridge University press, pp 87–98
5. Borges Júnior J, Anjos RJ, Silva TJ, Lima JR, Andrade CL (2012) Métodos de estimativa da evapotranspiração de referência diária para a microrregião de Garanhuns. PE Embrapa Milho e Sorgo-Artigo em periódico indexado (ALICE)