HARDAHA, R. P.; AGRAWAL, M. L.; AGRAWAL, A. Use of fly ash in black cotton soil for road construction. Recent Research in Science and Technology, [S. l.], v. 5, n. 5, 2013. Disponível em: https://updatepublishing.com/journal/index.php/rrst/article/view/1057. Acesso em: 21 sep. 2025.