Wearing Course Material Quality Evaluation for Unsealed Roads in Southern Ethiopia, A Case Study. Ethiopian Journal of Engineering and Technology, [S. l.], v. 2, n. 1, p. 1–9, 2023. DOI: 10.82127/w3x7d172. Disponível em: https://journals.hu.edu.et/hu-journals/index.php/ejet/article/view/560.. Acesso em: 13 oct. 2025.