Ramos Vera, Patricia María, Rosario Pilar Ramos Vera, Fernando Ramos Vera, Mercedes Josefina Ramos Vera, and Luis Alberto Núñez Lira. 2020. “Development of Skills for Learning the Geometry of Students in the Seventh Cycle of Basic Education, 2019”. Revista Multi-Ensayos, February, 20-30. https://doi.org/10.5377/multiensayos.v0i0.9333.