Physico-Chemical Analysis of Biodiesel Obtained from Blends of Virgin Castor Oil and Biodiesel Obtained from Mixture of Oil - Guimarães, Daniela Helena Pelegrine; Aguirre, Lucas Romano; Gonçalves, Bruna Caroline Marques; Rosa, Maria Thereza de Moraes Gomes (Smart Innovation, Systems and Technologies, 2019)