Toala-Macías, I., & Gómez-Mieles, J. . (2022). Impact of the economic management for provision of services of the zonal coordination 4 of the Ministry of Public Health to the Ecuadorian Institute of Social Security in Portoviejo . 593 Digital Publisher CEIT, 7(2), 174-183. https://doi.org/10.33386/593dp.2022.2.1037