... 32 Do Van Ninh (1971), Finding a trace of historical Van Don, Quang Ninh Information culture company 33 Do Van Ninh (1997), Van Don islands district, Van Don people committee 34 Do Van Ninh (2004), ... Theoretical basis; factual basis of the type of community ecotourism and sustainable development in general and sustainable tourism development in particular In the theoretical basis, the author has ... Implementing training on tourism profession and tourism management for staff performing management of tourism, culture and information; Implementing professional occupation training courses (table...