ScanGate document Bao Ton va phiit trien di san van hoa cua cac toe ngiroi thieu so o Viet Nam D A N G n g h i e m v a n S U H I N H T H A N H VA D A C T R L fN G CUA C A C T O C N G U O l T H IE U S O "Ban ai thuang lay b i c u n g , T u y rang kh a c gidhg nhitng chung m o t gian ” N ude V iet N am hien nay bao gom toan bo phan dat phfa dong ban dao D ong D uong, n&m a dong nam luc dia A u A , trai dai su6t vT tu y en tu 2 3 ,2 4 ’ den 8,35', vdi mot chieu dai k h o an g 1650 km , va hang tram[.]