REVIEW OF TRENCHLESS TECHNOLOGIES’ SUCCESSES AND THEIR DEPENDENCE ON PRECISE GEOTECHNICAL INVESTIGATION. Nigerian Journal of Technology, [S. l.], v. 33, n. 3, p. 275–292, 2014. DOI: 10.4314/njt.333.814. Disponível em: https://nijotech.com/index.php/nijotech/article/view/814. Acesso em: 16 apr. 2026.