Demanda Prajika, Selpi SH, Bastoni Hassasi, Lina Flaviana Tilik, Tri Kurnia Rahayu.J. The Effect Of Using Styrofoam Waste On The Compressive Strength Of Concrete: The Effect Of Using Styrofoam Waste On The Compressive Strength Of Concrete. Pilar. 2025;20(1). doi:10.53893/pilar.v20i1.5337