Morgan, D. L. (1997). Focus groups as qualitative research. Sage Pub.
Chicago Style (17th ed.) CitationMorgan, David L. Focus Groups as Qualitative Research. Thousand Oaks, Calif: Sage Pub, 1997.
ציטוט MLAMorgan, David L. Focus Groups as Qualitative Research. Sage Pub, 1997.
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