Bermudez, C., Ceballos Bejarano, E.W. and Ceballos Bejarano, F.E. 2020. Modernization of programmable automatons, an analysis in the primary selection. Athenea Engineering sciences journal. 1, 2 (Dec. 2020), 21-26. DOI:https://doi.org/10.47460/athenea.v1i2.8.