Nguyen, T. T., Pham, N. H., Nguyen, H. N., Phan, Q. B., & Tran, V. T. (2026). Optimization of Printing Parameters for Direct and Indirect Extrusion on Hydrogel 3D Printers. Management and Production Engineering Review, 17(1), 1–11. https://doi.org/10.24425/mper.2026.158638