Maidin S, K. H. T, Y.Y. S. Investigation of Mechanical Properties of Recycled ABS Printed with Open Source FDM Printer Integrated with Ultrasound Vibration. IJIE. 2022;14(4):57-63. Accessed August 7, 2026. https://journal.uthm.edu.my/index.php/ijie/article/view/6896