Morelos Gomez, J., Gomez Fernandez, R. and Acevedo Chedid, J. (2022) “Efficiency of the Productive Systems of Small and Medium Enterprises in the Department of Bolívar - Colombia”, Saber, Ciencia y Libertad, 17(2), pp. 369–398. doi:10.18041/2382-3240/saber.2022v17n2.9298.