L. J. C. . Cifuentes, J. C. . Mayorga-Rojas, C. del . Valle-Jurado, S. D. P. . Iglesias-León, and L. A. . Núñez-Lira, “ Padowan Graph Tool in Learning Graphs of Functions, in University Students”, Migrat. Lett., vol. 21, no. 3, pp. 611–619, Jan. 2024.