M. T. AUDU; D. N. MBAEZUE; S. DAUDA. THE ENGINEERING CHARACTERISTICS OF BLACK COTTON SOIL TREATED WITH CORN STRAW ASH. International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 6, n. 10, p. 74–80, 2019. Disponível em: https://ijaerd.org/index.php/IJAERD/article/view/4427. Acesso em: 7 jul. 2025.