Hakim, C. (2000). Research design: Successful designs for social and economic research (2nd ed.). Routledge.
Styl ChicagoHakim, Catherine. Research Design: Successful Designs for Social and Economic Research. 2nd ed. London: Routledge, 2000.
Citace podle MLAHakim, Catherine. Research Design: Successful Designs for Social and Economic Research. 2nd ed. Routledge, 2000.
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