THE EFFECT OF RECYCLED POLYPROPYLENE AND CALCIUM CARBONATE ADDITION ON MECHANICAL PROPERTIES OF POLYPROPYLENE YARN. Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit , [S. l.], v. 23, n. 1, p. 126–134, 2024. DOI: 10.58533/2a68ex49. Disponível em: https://e-jurnal.atk.ac.id/index.php/bptkspk/article/view/36. Acesso em: 22 dec. 2024.