ASTARIANI, Ni Kadek.
E Effect Alkaline Activator Ratio on Porosity Geopolymer Binder Based  Umeanyar Slate Stone Powder.
<strong>International Journal of Engineering and Emerging Technology</strong>, [S.l.], v. 6, n. 2, p. 1-5, dec. 2021.
ISSN 2579-5988.
Available at: &lt;<a href="http://103.29.196.112/index.php/ijeet/article/view/72956" target="_new">http://103.29.196.112/index.php/ijeet/article/view/72956</a>&gt;. Date accessed: 16 dec. 2025.