@book{70581,
	author = {Nguyễn, Khánh Toàn.},
	title = {20 years' development of education in the Democratic Republic of Vietnam.},
	publisher = {Pub. House of the Ministry of Education of the D.R.V.,},
	year = {1965.},
	address = {[Hanoi?]},
	note = {Errata slip inserted.}
}