[1]
A. M. Báez, H. Gómez, and A. Espindola Artola, “Didactic model for developing variational thinking in the second cycle of primary education”, Trans, vol. 22, Jun. 2026, Accessed: Aug. 17, 2026. Available: https://transformacion.reduc.edu.cu/index.php/transformacion/article/view/626