Yazar
a w drost
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Cilt sonuçları
Aspects of classroom practice in physical science
A. W. Drost · Human Sciences Research Council
196 sayfa · 1982
Physical sciences / Study and teaching (Secondary)
The effect of some video programmes on pupil achievement in mathematics, biology, and physical science
A. W. Drost · Human Sciences Research Council
48 sayfa · 1983
Biology / Mathematics / Physical sciences / Study and teaching (Secondary) / Television in biology education
De krullotenziekte der cacaoboomen in Suriname
Hall, Constant Johan Jacob van, Drost, A. W. (Agriculturist) · Martinus Nijhoff
71 sayfa · 1909
Cacao / Diseases and pests