IBRAHIM, Audu Usman; UMAR, .A. Masari; USMAN, Imrana. Detailed Soil Investigation of the Proposed Agricultural Engineering Department Federal Polytechnic, Kaura Namoda. Direct Research Journal of Engineering and Information Technology, [S. l.], v. 12, n. 3, p. 51–59, 2024. Disponível em: https://journals.directresearchpublisher.org/index.php/drjeit/article/view/317. Acesso em: 29 apr. 2026.