@book {140,
	title = {Thung Saleng Laung, Phu Hin Rong Kla, coniferous Forest, grassland and rock platform of Phetchabun mountains.},
	year = {2000},
	publisher = {Amarin Printing and Publishing},
	organization = {Amarin Printing and Publishing},
	address = {Bangkok},
	author = {Tourism Authority of Thailand,}
}
@book {116,
	title = {Pteridophytes in Thailand},
	year = {2000},
	publisher = {Office of Environmental Policy and Planning},
	organization = {Office of Environmental Policy and Planning},
	address = {Bangkok},
	author = {Boonkerd, T. and Pollawatn, P.}
}
@book {95,
	title = {Phu Luang: The Kingdom of Plant},
	year = {2000},
	publisher = {Amarin Printing and Publishing},
	organization = {Amarin Printing and Publishing},
	address = {Bangkok},
	author = {Tourism Authority of Thailand,}
}
@article {78,
	title = {In times of plenty and times of scarcity: Nondomesticated food in northeastern Thailand},
	journal = {Ecology of Food and NutritionEcology of Food and Nutrition},
	volume = {38},
	number = {6},
	year = {2000},
	pages = {563-586},
	author = {Moreno-Black, Geraldine, and Somnasang, Prapimporn,}
}
@article {83,
	title = {Karen Knowledge about the Sustainability of Forested Watershed and Agroforestry Ecosystems},
	journal = {Journal of Agriculture Journal of Agriculture},
	volume = {16},
	number = {3},
	year = {2000},
	pages = {281-290},
	author = {Preechapanya, P., and Jirasuktaveekul, V.,}
}
@book {93,
	title = {Phu Hin Rong Kla National Park},
	year = {2000},
	publisher = {Than Buakaew Print},
	organization = {Than Buakaew Print},
	address = {Nonthaburi},
	author = {Pakeerun, A.,}
}
@book {94,
	title = {Phu Kradung: The Legend of North-Eastern mountain},
	year = {2000},
	publisher = {Amarin Printing and Publishing},
	organization = {Amarin Printing and Publishing},
	address = {Bangkok},
	author = {Tourism Authority of Thailand,}
}
