Amin M, Sudibyo S, Jannah M, Karo Karo P. The Effect of Basalt Material Composition and Rice Husk Ash on The Characterization of Paving Block. JESR [Internet]. 2021Jun.24 [cited 2026Jan.15];3(1):13 -. Available from: https://jesr.eng.unila.ac.id.121-50-32-50.cpanel.site/index.php/ojs/article/view/63