TRAN XUAN DAT, TONG CONG DUNG*, LE XUAN DUNG, TRAN NAM ANH, VU KHANH PHAN; NGUYEN XUAN THAI; NGUYEN NGOC DANH. Research and design of a calibration and verification system for tape measures and rulers with a measurement range of up to 30 metres. Version B of Vietnam Journal of Science and Technology, [S. l.], v. 68, n. 2, 2026. DOI: 10.31276/VJST.2025.3449. Disponivel em: https://b.vjst.vn/index.php/ban_b/article/view/3449. Acesso em: 7 nov. 2026.