Tran, H. “USING OPTIMAL METHOD FOR CUTTING ROD MATERIALS”. TRA VINH UNIVERSITY JOURNAL OF SCIENCE; ISSN: 2815-6072; E-ISSN: 2815-6099, Vol. 7, no. 25, June 2019, pp. 50-55, doi:10.35382/18594816.1.25.2017.120.