H'mong cloth embroidery design (H'mong textile study)

The Pham Huy Thong Museum with it's laboratories in Yen Hung (Quang Ninh)

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)

PEG-treating in conservating a dongsonian dugout log coffin of 2300 years old