White, Patrick, 1971-
Developing research questions : a guide for social scientists
Palgrave Macmillan, 2009
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Sjoberg, Gideon
A methodology for social research
Harper & Row Publishers, 1968
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Lee, Raymond M.
Unobtrusive methods in social research
Open University Press, 2000
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Methodology of social science research
edited by Sugata Dasgupta
Impex India, 1967
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Weber, Max, 1864-1920
Methodology of social sciences
Transaction Publishers, 2011
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