Title: Trịnh Sâm, cuộc đời và sự nghiệp
Description: Summary of the seminar on Trịnh Sâm, 1739-1782; ruled Northern Vietnam during 1767-1782 AD, held in Thanh Hóa, Oct. 11, 2008.
Subjects: Congresses
People: Sâm Trịnh (1739-1782)