Oktariani, Erfina, Sekar Jingga Larasati, and Fitri Nobela Dianti. 2025. “Optimalisasi Kualitas Polipropilena Daur Ulang: Solusi Mengurangi Produk Cacat Di Industri Komponen Plastik”. Journal of Community Services in Sustainability 3 (1):8 - 18. https://doi.org/10.52330/jocss.v3i1.376.