PONDURI, Samatha; RAMA RAO, M. Cost benefit analysis of flexible and rigid pavements of rural roads using rice husk ash and stone dust as additives. International Journal of Engineering & Technology, [S. l.], v. 7, n. 4, p. 6252–6265, 2019. DOI: 10.14419/ijet.v7i4.29018. Disponível em: https://www.sciencepubco.com/index.php/ijet/article/view/29018.. Acesso em: 5 may. 2024.