Gomm, R. (2009). Key concepts in social research methods. Palgrave Macmillan.
Cita Chicago Style (17a ed.)Gomm, Roger. Key Concepts in Social Research Methods. Basingstoke: Palgrave Macmillan, 2009.
Cita MLA (9a ed.)Gomm, Roger. Key Concepts in Social Research Methods. Palgrave Macmillan, 2009.
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