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Information retrieval thesaurus of education terms
Gordon C. Barhydt, Charles T. Schmidt ; w...
Bok Engelsk 1968
The function of pilot user groups in the development of social science information centers
Barhydt, Gordon C.
Bok Engelsk 1966
A comparison of relevance assessment by three types of evaluator
Barhydt, Gordon C.
Bok Engelsk 1963