Analysis of the Effect of Adding Jatropha Seed Shell on the Physical and Thermal Properties of Recycled Polypropylene Composites. Journal of Chemical Process Engineering, [S. l.], v. 9, n. 3, p. 183–192, 2025. DOI: 10.33096/jcpe.v9i3.1487. Disponível em: https://jurnal.fti.umi.ac.id/index.php/JCPE/article/view/1487. Acesso em: 4 jul. 2025.