Zulkarnain, F. et al. 2023. Analysis of The Addition Polypropylene Fibre and 8670 Mn Viscocrete added Material on The Split Tensile Strength and Modulus of Elasticity of Concrete . Jurnal Penelitian Pendidikan IPA. 9, 10 (Oct. 2023), 8798–8806. DOI:https://doi.org/10.29303/jppipa.v9i10.4808.