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a j j van rooy
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The teaching of mathematics, general mathematics and arithmetic in public secondary and high schools for whites in South Africa
A. J. Van Rooy · Printed by the govt. printer]
411 sayfa · 1965
Mathematics / Study and teaching / Study and teaching (Secondary)
Proeven en waarnemingen omtrent de inenting der pokken aan schapen
D. H. van der Meer, Alexander Numan, S. Ellerbeek, M. J. Urbach, G. A. Ramaer, H. C. Medenbach de Rooy · Algemeene lands Drukkekij [sic
125 sayfa · 1825
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