Khatulistiani, Utari, Soerjandani Priantoro Machmoed, Andaryati Andaryati, and Elsa Susiamanggara. “Behavior of Concrete Strength Using Cement Blended With GGBFS and Fly Ash ”. International Journal of Research in Engineering and Modern Technology (IJREMTE) 3, no. 1 (April 30, 2026): 1–10. Accessed August 13, 2026. https://ijremte.uwks.ac.id/ijremte/article/view/31.