Comparative Study on Mechanical Properties of Fiber-Reinforced Cement Mortars Using Fly Ash and Manufactured Sand. International Journal of Environmental Sciences, [S. l.], p. 1192–1205, 2025. DOI: 10.64252/e5xs9y49. Disponível em: https://theaspd.com/index.php/ijes/article/view/5216.. Acesso em: 12 jan. 2026.