ASSESSMENT OF NOISE GENERATED BY OPERATIONS WITHIN THE GUNDUWAWA QUARRY IN KANO STATE, NIGERIA. Nigerian Journal of Technology, [S. l.], v. 31, n. 3, p. 314–320, 2012. DOI: 10.4314/njt.313.559. Disponível em: https://www.nijotech.com/index.php/nijotech/article/view/559. Acesso em: 16 apr. 2026.