
55th CCOP Annual Session 3-7 November 2019 in Chiang Mai ...
Geological and Geochemical mapping scale 1: 200,000 in the north Xayabouly-west Louangphrabang province. ... (General Department of Geology and Mineral Resources of Vietnam). -Bilateral cooperation between DGM-DMR (Department of Mineral ... northern part of Lao PDR during in June this year for get the knowledge enhancement i.