@book{20909,
	author = {Kraevskiĭ, Volodar Viktorovich. and Lerner, Isaak I︠A︡kovlevich. and International Bureau of Education.},
	title = {The theory of curriculum content in the USSR /},
	publisher = {Unesco,},
	year = {c1984.},
	address = {Paris, France :}
}