Do THT. Introduction to the documents of projection, threading and ordinating for Xuan Quang hau Nguyen Khac Tuan (1767 - 1823). Dong Thap University Journal of Science [Internet]. 2022 Aug. 11 [cited 2024 May 20];11(4):73-9. Available from: https://dthujs.vn/index.php/dthujs/article/view/212