Thi Bich, Nguyen. “THE NGUYEN DYNASTY’S PARTICIPATION IN WORLD EXHIBITIONS IN FRANCE IN THE LATE 19 TH CENTURY AND THE EARLY 20TH CENTURY”. HNUE Journal of Science: Journal of Social Sciences 69, no. 3 (January 8, 2025): 177–186. Accessed October 21, 2026. https://hnuejs.edu.vn/ss/article/view/467.