OLUWATUDIMU, O. E.; SADEEQ, J. A.; OSINUBI, K. J. Improvement of the Index and Compaction Characteristics of Black Cotton Soil with Palm Kernel Shell Ash. International Journal of Engineering and Management Research, [S. l.], v. 10, n. 2, p. 121–130, 2020. DOI: 10.31033/ijemr.10.2.14. Disponível em: https://ijemr.vandanapublications.com/index.php/ijemr/article/view/280. Acesso em: 3 jul. 2024.