“Experimental Investigation of the Wear of Some Polymer Gear Wheels Produced by Three-Dimensional Printer on the Variation of Fill Percentage and Shell Thickness”. The Eurasia Proceedings of Science, Technology, Engineering and Mathematics 31 (November 30, 2024): 52–63. Accessed January 18, 2026. https://epstem.net/index.php/epstem/article/view/974.