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Finding out : conducting and evaluating social research
True, June Audrey, (1983)
Einführung in die Methoden der empirischen Soziologie
Mayntz, Renate, (1971)
Approaches to social research
Singleton, Royce, (1988)
Functional leadership and popularity in small groups
Gardner, Godfrey, (1956)
Technology as an explanatory variable in the study of workersʹ attitudes
Vaughan, Edward, (1976)
The measurement of supervisory methods
Argyle, Michael, (1957)