Decentralization as a method of optimum utilization of...

Decentralization as a method of optimum utilization of educational motion picture materials in physical science classes

Glenn F. Powers, Harry P. Zimmerman
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Volume:
47
Year:
1963
Language:
english
Pages:
2
DOI:
10.1002/sce.3730470510
File:
PDF, 173 KB
english, 1963
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