Walliman, N. (2016). Social research methods: The essentials (2nd edition.). SAGE.
Chicago Style (17th ed.) CitationWalliman, Nicholas. Social Research Methods: The Essentials. 2nd edition. Los Angeles: SAGE, 2016.
MLA citiranjeWalliman, Nicholas. Social Research Methods: The Essentials. 2nd edition. SAGE, 2016.
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