Muhaimin, Abdul, and Fredy Kurniawan. “THE EFFECT OF ADDITIVE TYPE "X" WITH FOAM AGENT AND COCONUT FIBER ON CONCRETE”. IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734 2, no. 1 (September 30, 2018): 1-7. Accessed December 5, 2025. http://jurnal.narotama.ac.id/index.php/ijti/article/view/778.