SULEIMAN IGUDA LADAN. Achieving Effective Vegetation Cover in Katsina Urban Area, Katsina State Nigeria. Global Journal of Science Frontier Research, [S. l.], v. 14, n. H3, p. 1–10, 2014. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/1289. Acesso em: 19 may. 2024.