en:Vietnam Fine Arts Museum (vi:Bảo tàng mỹ thuật Việt Nam) 2000 "Right from the early history - before and after the Christian era - over twenty centuries from now, there was a cultural exchange among three major Centres Z Ðông Sơn culture in the North, Sa Huỳnh culture in Central and south-eastern Nam Bộ ..."
vi.wikipedia.org
en:Vietnam Fine Arts Museum (vi:Bảo tàng mỹ thuật Việt Nam) 2000 "Right from the early history - before and after the Christian era - over twenty centuries from now, there was a cultural exchange among three major Centres Z Ðông Sơn culture in the North, Sa Huỳnh culture in Central and south-eastern Nam Bộ ..."