Challenges on extrusion-based additive manufacturing of thermoplastic polyurethane Engineering Manufacturing Letters Journal Article Manuel Sardinha Luís Ferreira Tânia Ramos Luís Reis Fátima Vaz Publication Year of Publication: 2024 Identifiers Other Numbers: 169357730 Locators URL https://doi.org/10.24840/2795-5168_002-001_2675 DOI: 10.24840/2795-5168_002-001_2675 Sustainable Development Goals