N. Rueda-Archila, D. Romero-Pérez, and C. S. Gómez-Vergel, “Factors affecting the application of rational numbers in secondary basic education in a border area”., AiBi Revista de Investigación, Administración e Ingeniería, vol. 7, no. 2, pp. 16–19, Jul. 2019, doi: 10.15649/2346030X.574.