P.S., W. Remediation of Diesel Fuel Contaminated Sandy Soil using Ultrasonic Waves. Civil Engineering Dimension, [S. l.], v. 12, n. 2, p. 118-122, 2010. DOI: 10.9744/ced.12.2.118-122. Disponível em: https://ced.petra.ac.id/index.php/civ/article/view/17983. Acesso em: 5 feb. 2023.