Dicovskiy Riobóo, Luis María, and Manuel Enrique Pedroza Pacheco. “Univariate and Multivariate Methods to Analyze the Academic Performance of the Agricultiural Engineering Program at UNI Norte, Estelí, Nicaragua”. Revista Científica Estelí, no. 22, July 2017, pp. 3-17, doi:10.5377/farem.v0i22.4513.