K. R. S. dos A. de Carvalho, I. C. A. Carvalho, P. C. S. Milhomem, and M. S. . Silva, “Lifelong learning: the maturity university and learning to be old ”, Paradoxos, vol. 5, no. 1, pp. 101–116, Jul. 2020, doi: 10.14393/par-v5n1-2020-54300.