@book {86,
	title = {The management model scheme of Phu Hin Rong Kla National Park, Phetchabun and Loei Provinces },
	volume = {1},
	year = {1997},
	publisher = {National Resource Conservation Office},
	organization = {National Resource Conservation Office},
	address = {Bangkok},
	author = {Soil and forest resources part National Resource Conservation Office,}
}
