@mastersthesis {89,
	title = {Non-Flowering plants on rock platform of Phu Hin Rong Kla National Park},
	volume = {Master{\textquoteright}s degree},
	year = {1987},
	school = {Chulaongkorn University},
	type = {Special study},
	address = {Bangkok},
	author = {Kitichate Sridith,}
}
@book {19,
	title = {Collecting and preserving herbarium specimens},
	year = {1987},
	publisher = {Arunamarin Publishing},
	organization = {Arunamarin Publishing},
	address = {Bangkok},
	author = {Boonkerd, T., and Wacharapai, M., and Trirattana, S., and Maneerat, Y., and Thaithong, O., and Laichuthai, N.,}
}
