D. G. Zisopol, M. Minescu, and D. V. Iacob, “A Study of the Optimization of FDM Parameters for the Manufacture of Compression Specimens from Recycled PETG in the Context of the Transition to the Circular Economy ”, Eng. Technol. Appl. Sci. Res., vol. 14, no. 6, pp. 18774–18779, Dec. 2024.