Syafwandi, Syafwandi, and Ryan Cerra. “he ffect of ubstitution of oarse and ine ggregates ith hells of lood lams and ement ith ly sh and he dditional of uperplasticizer gainst he ompressive est”. IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734 4, no. 2 (May 3, 2021): 148-156. ccessed July 30, 2021.