imam, imam akbar, M. R. H. Rizky, D. Rawani, R. M. Veranika, H. Al-Faritzie, and R. . “THE EFFECT OF DIFFERENT STRUCTURE AND GRADIENT INFILL ON MECHANICAL BEHAVIOR POLYLACTIDE ACID MATERIALS (PLA)”. AUSTENIT, vol. 15, no. 1, May 2023, pp. 49-54, doi:10.5281/zenodo.7949586.