@book{4106,
	author = {Spies, P. G. van Z. and Institute for Development Research (South Africa)},
	title = {Professionele beheeruitoefening oor die onderwysberoep in die RSA.},
	publisher = {Suid-Afrikaanse Raad vir Geesteswetenskaplike Navorsing,},
	year = {1977.},
	series = {Verslag / Instituut vir Opvoedkundige Navorsing ;},
	address = {Pretoria :}
}