Bonilla-Santos, J., Gonzalez-Hernandez, A., Yepes-Artunduaga, S. B., España-Parrasi, L. J. and Villarreal-Ruiz, E. (2018) “Characterization of the executive component in operational staff of the hydrocarbon sector”, Revista Ingenierías Universidad de Medellín, 16(31), pp. 219-230. doi: 10.22395/rium.v16n31a11.