Oliveira, Eduardo Cardoso de, Antonio Assiz de Carvalho Filho, and Ricardo Firetti. “Identification and Elaboration of Statistical Variables Through Multivariates Techniques in the Study of the Production Grain and Fiber, in Administrative Region of Presidente Prudente-SP”. Semina: Ciências Exatas e Tecnológicas 35, no. 2 (October 30, 2014): 159–180. Accessed July 17, 2024. https://ojs.uel.br/revistas/uel/index.php/semexatas/article/view/14918.