National association for research in science teaching

1929 ◽  
Vol 14 (1) ◽  
pp. 394-394 ◽  
Author(s):  
Charles J. Pieper ◽  
Earl R. Glenn ◽  
W. G. Whitman
1931 ◽  
Vol 15 (4) ◽  
pp. 269-270
Author(s):  
S. Ralph Powers

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