Romadhon ES, Antonius, Sumirin. MODEL LOW ALKALI ACTIVATOR GEOPOLYMER CONCRETE MATERIAL RATIO WITH COMPRESSIVE STRENGTH. Jurteksiar [Internet]. 2022Nov.30 [cited 2024Apr.20];21(2):221-8. Available from: http://jurnalftspjayabaya.ac.id/index.php/jsa/article/view/113