Viani, Vivin, and Untung Prayudie. 2024. “Pengaruh Penambahan Serat Biduri (Calotropis Gigantea) Terhadap Sifat Mekanik Komposit Polipropilena Daur Ulang/Serat Biduri”. Journal of Polymer Chemical Engineering and Technology 1 (1):17-22. https://doi.org/10.52330/jpcet.v1i1.237.