LADA, Adveni Hesty Altisari. Effect of Fly Ash, Bottom Ash, and Silica Fume as Cement Substitutes on Mortar Compressive Strength. Cornerstone Civil Engineering Journal, [S. l.], v. 1, n. 1, p. 57–64, 2026. Disponível em: https://ejournal.atkup.ac.id/index.php/ccej/article/view/6. Acesso em: 24 sep. 2026.