RECYCLING PET BOTTLES FOR ADDITIVE MANUFACTURING: A METHOD FOR 3D PRINTER FILAMENT PRODUCTION. Nigerian Journal of Technology, [S. l.], v. 43, n. 4, p. 676 – 684, 2025. DOI: 10.4314/njt.v43i4.8. Disponível em: https://mail.nijotech.com/index.php/nijotech/article/view/3587. Acesso em: 16 apr. 2026.