ABDULLAHI, J. .; NYANGANJI, J.; WANAH, B. B. . Assessment of Outer and Inner Slope Profiles of Volcanic Craters on Biu Plateau, Borno State, Nigeria. Journal of Asian Scientific Research, [S. l.], v. 5, n. 5, p. 219–227, 2015. DOI: 10.18488/journal.2/2015.5.5/2.5.219.227. Disponível em: https://archive.aessweb.com/index.php/5003/article/view/3722. Acesso em: 3 jul. 2024.