2020. Requirement analysis and management information system development of the available varieties of georeferenced basic grains, in the Department of Carazo (SIGITEC), in the period 2007-2015. Revista Torreón Universitario. 8, 23 (Jan. 2020), 84–101. DOI:https://doi.org/10.5377/torreon.v8i23.9535.