Lê-Trịnh Government’s Documentary Practice seen from Bắc sứ thông lục
(2019中央研究院明清研究國際學術研討會 2019)
Confucian Education as a Social Strategy in the Northern Uplands in Eighteenth Century Vietnam: The Lạng Sơn Province
(International Conference The Vietnamese Confucian Examination System (1075-1919) and its Legacy 2019)