1. Impact of land use changes on mountain landscapes in northern Vietnam during the 1990s Author(s): Castella, J.-c., Tronche, N.R., and Vu, N. Format: Journal article Publisher: 2005.
2. Vietnam Hmong: The Art of Attraction Author(s): Kersale, Patrick and Sunset France Productions Format: Video Publisher: France : Playasound, 2004.