Research Analysis on Partial Replacement of Cement in Concrete with Fly Ash and Wollastonite. Международный научный журнал «Инженер», [S. l.], v. 1, n. 3, p. 34–37, 2026. DOI: 10.56143/3030-3893-2026-3S-34-37. Disponível em: https://engineer.tstu.uz/index.php/engineer-tstu/article/view/421. Acesso em: 26 jul. 2026.