LAL, B.; RAHIM, M. R. U.; BHARTI, P. K.; RIZVI, S. A. H. Optimizing the Hardness of 3D Printed Novel PETg-PLA Based Polymer Blend using RSM. International Research Journal of Multidisciplinary Technovation, [S. l.], v. 8, n. 2, p. 267–279, 2026. DOI: 10.54392/irjmt26217. Disponível em: https://journals.asianresassoc.org/index.php/irjmt/article/view/5619. Acesso em: 20 apr. 2026.