AITMURATOV AMANBAY TUELBAY UULU. The Influence of Sand on The Properties of Portland Cement Mortar. The American Journal of Applied Sciences, [S. l.], v. 8, n. 5, p. 320–325, 2026. DOI: 10.37547/tajas/Volume08Issue05-45. Disponível em: https://www.theamericanjournals.com/index.php/tajas/article/view/8573. Acesso em: 11 nov. 2026.