Silva Cruz, M., L. E. Acosta González, and I. Almaguer Guerrero. “Methodological Suggestions for the Use of the Polygon Pattern in the Practical Classes of the Subject Topography”. Revista Científica De La FAREM-Estelí, no. 37, Mar. 2021, pp. 221-43, doi:10.5377/farem.v0i37.11219.