Viswanathan, Madhu
Measurement error and research design
SAGE Publ., 2005
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Handbook of health research methods: investigation, measurement and analysis
edited by Ann Bowling, Shah Ebrahim
Open University Press, 2007
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Thyer, Bruce A.
The handbook of social work research methods
London : Sage Publications, 2001,
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The handbook of social work research methods
editor, Bruce A. Thyer
Sage Publications, 2001
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Handbook of research methods on social entrepreneurship
edited by Richard G. Seymour
Edward Elgar, 2012
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