Raharjo D, Subakti A, Tavio T. OPTIMIZATION OF MIXED CONCRETE “SELF COMPACTING” MATERIAL USING FLY ASH, SILICA FUME AND THEIR INFLUENCE OF IRON SLAG STRONG CONTRIBUTION TO THE PRESS. JCE [Internet]. 23 Juli 2025 [dikutip 25 Juli 2026];31(1):19. Tersedia pada: https://journal.its.ac.id/index.php/jce/article/view/7586