I. A. da Fonseca, L. de O. Marques, and M. G. de Vasconcelos, “MIND MAPS IN DIFFERENTIAL EQUATIONS”, EIC, pp. 821–828, Dec. 2025, Accessed: Jun. 23, 2026. [Online]. Available: https://periodicos.newsciencepubl.com/editoraimpacto/article/view/11189