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The South African labour force, 1960 - 2005
Sadie, J. L., (1991)
Human resource management in a siege economy
Horwitz, Frank M., (1986)
Sorry, wrong number! : a critical examination of African labour force estimates, 1970 - 87
Meth, Charles, (1988)
Die oorsake en gevolge van verstedeliking in Afrika
Schutte, P. C., (1981)