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://ejurnal.stie-trianandra.ac.id/index.php/jeei/article/view/2785. Acesso em: 24 nov. 2024.