Ethnobotanic Study 2005 in a Muong hamlet (Kim Boi, Hoa Binh)

A ramie cloth fragment excavated from a Dongsonian dugout log coffin in Chau Can burial field (Ha Tay, Vietnam)

Transpoting a dongsonian dugout log boat coffin to the Museum - case of cooperation with australien collegues from ANUniversity and ANMuseum 2004

12.500 years old chared fruit fragments as food remains excavated in the Hoabinhian cave of Con Mong (Thanh Hoa, Vietnam)

Studing on the dongsonian bronze drum excavated in burial field Dong Xa (Kim Dong, Hung Yen, Vietnam)