Villarroel Bastidas, J., G. R. Cobeña Cedeño, and B. J. Espinoza-Oviedo. “Evaluation of Physical and Chemical Characteristics of Biofuel from Tropical Fruits”. Centrosur Agraria, vol. 1, no. 10, June 2021, pp. 49-59, doi:10.37959/cs.v1i10.71.