GEOTECHNICAL PROPERTIES OF AJALI SANDSTONE IN ENUGU, NIGERIA FOR ENGINEERING USE. Nigerian Journal of Technology, [S. l.], v. 38, n. 2, p. 294–304, 2019. Disponível em: https://nijotech.com/index.php/nijotech/article/view/1983. Acesso em: 1 may. 2026.