Morelos Gomez, J., Gomez Fernandez, R. ., & 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), 369-398. https://doi.org/10.18041/2382-3240/saber.2022v17n2.9298