REDUCTION OF THE SHEAR STRENGTH OF SOILS IN THE NIGER DELTA AREA OF NIGERIA DUE TO CRUDE OIL PRODUCTION. Nigerian Journal of Technology, [S. l.], v. 29, n. 2, p. 130–140, 2009. DOI: 10.4314/njt.292.72. Disponível em: https://nijotech.com/index.php/nijotech/article/view/72. Acesso em: 16 apr. 2026.