Merdana, I Nyoman Merdana, et al. “The OPTIMASI PROPORSI SUPERPLASTICIZER DENGANPENDEKATAN CHEMICAL BASE UNTUKBETON MEMADAT SENDIRI(SELF COMPACTING CONCRETE): The Optimization of Superplasticizer Proportion on Chemically Based Self Compacting Concrete Havior of Porous Particles Due to Cyclic Load”. Spektrum Sipil, vol. 7, no. 2, Dec. 2020, pp. 94-104, doi:10.29303/spektrum.v7i2.170.