See Allo

Research methods: guidance for postgraduates

edited by Tony Greenfield

Arnold, 1996

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Pratt, Brian, author

Choosing research methods: data collection for development workers

Oxfam, 1992

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Goode, William J., author

Methods in social research

McGraw-Hill, 1952

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edited by Patrick McNeill

Research methods: society now

Routledge , 2003

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Gillham, Bill, author

Case study research methods

Continuum , 2000

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