FARMERS’ PERCEPTION OF SOIL DEGRADATION IN SEMI-ARID AREAS OF KATSINA STATE, NORTHERN NIGERIA. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 2, n. 4, p. 136–147, 2023. Disponível em: http://162.254.38.185/index.php/fjs/article/view/1328. Acesso em: 17 sep. 2025.