Ruane, J. M. (2005). Essentials of research methods: A guide to social science research. Blackwell Pub..
Dyfyniad Arddull ChicagoRuane, Janet M. Essentials of Research Methods: A Guide to Social Science Research. Malden, MA: Blackwell Pub., 2005.
Dyfyniad MLARuane, Janet M. Essentials of Research Methods: A Guide to Social Science Research. Blackwell Pub., 2005.
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