The science curriculum improvement study

1964 ◽  
Vol 2 (4) ◽  
pp. 293-303 ◽  
Author(s):  
Robert Karplus
1980 ◽  
Vol 17 (4) ◽  
pp. 327-335 ◽  
Author(s):  
Lawrence F. Lowery ◽  
Jane Bowyer ◽  
Michael J. Padilla

1973 ◽  
Vol 73 (4) ◽  
pp. 291-318 ◽  
Author(s):  
John W. Renner ◽  
Don G. Stafford ◽  
William J. Coffia ◽  
Donald H. Kellogg ◽  
M. C. Weber

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