Utilizing Sustainable Recycled Thermoplastic Polymers in 3D Printing Filament. Al-Nahrain Journal for Engineering Sciences, [S. l.], v. 28, n. 3, p. 442–450, 2025. DOI: 10.29194/NJES.28030442. Disponível em: https://nahje.journalpath.com/nahje/article/view/174. Acesso em: 12 apr. 2026.