The Lao National Tourism Administration. "Bolikhamxay Province". Ecotourism Laos. GMS Sustainable Tourism Development Project in Lao PDR. Archived from the original on 29 August 2012. Retrieved 1 December 2012.
The Lao National Tourism Administration. "Bolikhamxay Province". Ecotourism Laos. GMS Sustainable Tourism Development Project in Lao PDR. Archived from the original on 29 August 2012. Retrieved 1 December 2012.