@book{1326,
	author = {CHAN, PEO.},
	title = {Study of the variable factors of rubber resin yield at metot rubber plantion, ការសិក្សាលើកត្តាបមរែបំរួលឬិន្នផលជ័រកៅស៊ូ នៅចំការកៅស៊ូមេមត់},
	publisher = {RUA},
	year = {1999},
	address = {Phnom Penh}
}