Bechhofer, F. (2000). Principles of research design in the social science. London: Routledge.
Trích dẫn kiểu ChicagoBechhofer, Frank. Principles of Research Design in the Social Science. London: Routledge, 2000.
MLA citiranjeBechhofer, Frank. Principles of Research Design in the Social Science. London: Routledge, 2000.
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