Investigation of the Impact of Waste Engine Oil and Coconut Fiber on the Physical Characteristics of Bitumen. Fusion Journal of Engineering and Sciences, [S. l.], 2026. DOI: 10.64615/fjes.2026.21. Disponível em: https://fusionesj.com/index.php/fjes/article/view/21. Acesso em: 28 mar. 2026.