Berger, J. (1962). Types of formalization in small-group research. Boston: Houghton Mifflin Company.
Παραπομπή Chicago StyleBerger, Joseph. Types of Formalization in Small-group Research. Boston: Houghton Mifflin Company, 1962.
Παραπομπή MLABerger, Joseph. Types of Formalization in Small-group Research. Boston: Houghton Mifflin Company, 1962.
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