USMAN, Y. H. AGING AND RETIREMENT: PREPARING ADULT LEARNERS FOR POSTRETIREMENT CHALLENGES. Sokoto Educational Review, [S. l.], v. 11, n. 1, p. 183–198, 2020. DOI: 10.35386/ser.v11i1.294. Disponível em: http://www.sokedureview.org/index.php/SER/article/view/294. Acesso em: 13 nov. 2025.