Deswita, D., Y. Yusmaniar, G. T. . Sulungbudi, A. . Karo Karo, and S. Sudirman. “Influence of Nanoparticle CaCO3 Addition to the Physical and Mechanical Properties of Polypropylene-CaCO3 Composite”. Journal of Fibers and Polymer Composites, vol. 1, no. 1, Mar. 2022, pp. 43-51, doi:10.55043/jfpc.v1i1.34.