de Oliveira Santos, J. P. (2017) “ENVIRONMENTAL DEGRADATION AND RISK OF DESERTIFICATION IN ALTO SERTÃO REGION, ALAGOAS STATE, BRAZIL”, Revista Geama, 3(4), p. 191–195. Disponível em: https://journals.ufrpe.br/index.php/geama/article/view/1537 (Acesso em: 1 janeiro 2026).