M. S. L. Báez Ureña, M. S. W. E. Heredia Soriano, and D. C. O. L. Pérez González, “The movement of the variable in the differential calculation: didactics orientations”, Trans, vol. 13, no. 3, pp. 444–455, Jun. 2024, Accessed: Sep. 09, 2026. Available: https://transformacion.reduc.edu.cu/index.php/transformacion/article/view/222