1. Feenstra, G.: What is sustainable agriculture? — UC SAREP, UC Sustainable Agriculture Research and Education Program (2017).
http://asi.ucdavis.edu/programs/sarep/about/what-is-sustainable-agriculture
. Accessed 23 May 2018
2. Ministerio De Agricultura y Desarrollo Rural and Departamento Administrativo Nacional de Estadística: El cultivo de la papa, Solanum tuberosum Alimento de gran valor nutritivo, clave en la seguridad alimentaria mundial. Insumos y Factores asociados a la producción agropecuaria, no. 15, p. 92 (2013)
3. Abbot, J., Marohasy, J.: Forecasting extreme monthly rainfall events in regions of Queensland, Australia using artificial neural networks. Int. J. Sustain. Dev. Plan. 12(7), 1117–1131 (2017)
4. Unnikrishnan, P., Jothiprakash, V.: Daily rainfall forecasting for one year in a single run using singular spectrum analysis. J. Hydrol. 561, 609–621 (2018)
5. Advances in Intelligent Systems and Computing;RI Rasel,2018