n Bydrae tot die bepaling van die groei-kurwe van Blanke Suid-Afrikaanse skoolseuns tussen die ouderdomme 7 jaar en 17 jaar

Reinecke, J. J.(Josias Johannes) (1946)

Proefskrif (B. Ed. Ph.) -- Universiteit van Stellenbosch, 1946.

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Thesis

Please refer to this item in SUNScholar by using the following persistent URL: http://hdl.handle.net/10019.1/63831
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