Nugroho G. Experimental Test of Flexural Strength of Green Concrete Using 0%, 10%, 30% Waste Tire Rubber Powder as a Substitute for Fine Aggregate. AMRJ [Internet]. 2025 Nov. 30 [cited 2026 Feb. 1];3(3):139-47. Available from: https://e-publisher.my.id/index.php/amrj/article/view/155