SUDIRMAN SUDIRMAN. Effects of Adding Coal Ash vs Rice Husk Ash on Compressive Strength of Mortar. Journal of Engineering, Electrical and Informatics, [S. l.], v. 4, n. 1, p. 14–30, 2024. DOI: 10.55606/jeei.v4i1.2785. Disponível em: https://journalcenter.org/index.php/jeei/article/view/2785. Acesso em: 1 may. 2025.