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1811
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1812
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1813
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1814
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1815
The use of Pio del Pilar community resources in teaching grade VI social studies
Publicado em 1980Thesis -
1816
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1817
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1818
Perceived difficulties of elementary science teachers in participating in science fairs
Publicado em 1980Thesis -
1819
A tryout and evaluation of materials for an integration of mathematics skills in science teaching
Publicado em 1980Thesis -
1820
An evaluation of some aspects of the elementary science program in the district of Urdaneta I
Publicado em 1980Thesis


