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Applications of rasch measurement in learning environments ..
Advances in learning environments research, v. 2
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Specialized Rasch measures applied at the forefront of educ..
Education in a competitive and globalizing world series
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Farmers in a changing world. Yearbook of Agriculture, 1940
United States congressional serial set ; serial set no. 10513;House document / 76th Congress, 3rd session. House ; no. 695