H. Nghi Huynh, H. Nguyen Thanh, H. Tho Nguyen, and T. Thu Ha Thai, “Optimization of the Position for the Support To Reduce Production Time on 3D Printers”, IJET, vol. 7, no. 4.36, pp. 1506–1509, Dec. 2018, doi: 10.14419/ijet.v7i4.36.29360.