CARRILLO, J. ., GÓMEZ, R. ., PANTOJA , F. ., & VELA, G. . (1995). Study for the optimization of the wax and lube oil  unit of the Barrancabermeja industrial complex (CIB), Colombia. CT&F - Ciencia, Tecnología Y Futuro, 1(1), 115–124. https://doi.org/10.29047/01225383.612