Course and curriculum improvement materials :
mathematics, science, social sciences.
|Corporate Author:||National Science Foundation (U.S.)|
Washington : For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1976.
Science > Science / Study and teaching > Science / Study and teaching / United States
"Companion to Course and curriculum improvement projects."
vii, 53 p. :
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||University of Illinois at Urbana-Champaign|