@book{42172,
	author = {Erasmus, O. C.},
	title = {The progression of education in educational situations and during the course of education.},
	publisher = {S.A.A.A.E.,},
	year = {1973.},
	series = {Suid-Afrikaanse vereniging ter bevordering van die opvoedkunde, Monografie�e ;},
	address = {[Place of publication not identified] :}
}