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Social research methods : perspective, theory, and analysis
Eckhardt, Kenneth W., (1977)
Implicit assumptions about the object of research in social research methods
Maschewsky, Werner, (1980)
Advances in social research : a book of readings in research methods
Cochrane, Raymond, (1973)
The DELTA chart : an aid to project management
Allen, T. Harrell, (1976)
New methods in social science research : policy sciences and futures research
Allen, Thomas Harrell, (1978)