Berg, B. L. (2001). Qualitative research methods for the social sciences (4th ed.). Allyn and Bacon.
Chicago Style (17th ed.) CitationBerg, Bruce L. Qualitative Research Methods for the Social Sciences. 4th ed. Boston: Allyn and Bacon, 2001.
ציטוט MLABerg, Bruce L. Qualitative Research Methods for the Social Sciences. 4th ed. Allyn and Bacon, 2001.
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