Die validering van 'n keuringsbattery vir Swart ertsvragwabestuurders in die mynbedryf

Engelbrecht, P. G.(Pieter Gideon) (1900)

Proefskrif (M.A.) -- Universiteit van Stellenbosch, 1983.

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Thesis

Please refer to this item in SUNScholar by using the following persistent URL: http://hdl.handle.net/10019.1/70194
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