Kazuki, Yoshikawa. “GOVERNANCE TRANSITION IN NGUYỄN DYNASTY’S LẠNG SƠN PROVINCE IN THE NINETEENTH CENTURY”. Thang Long Journal of Science: Van hien and Heritage 1, no. 2 (February 22, 2023): 106-115. Accessed April 29, 2024. https://science.thanglong.edu.vn/index.php/volb/article/view/34.