Vásquez Carrera, Paco Jovanni, William Armando Hidalgo Osorio, Guido Gabriel Carrillo Velarde, and Nelson Jonathan Villarroel Herrera. 2020. “Selection and Design of a Jatropha Curcas Pinion Oil Extractor Machine”. ConcienciaDigital 3 (4), 26-44. https://doi.org/10.33262/concienciadigital.v3i4.1423.