Handbook of data analysis

nork Bryman, Alan; Editor, Hardy, Melissa; Editor
Argitaratua 2009

Qualitative research.

nork Bryman,Alan(Editor) Burgess,Robert G.Editor)
Argitaratua 1999

The Sage encyclopedia of social science research methods

nork Bryman, Alan; Editor, Lewis-Beck, Michael S; Editor, Liao, Tim Futing; Editor
Argitaratua 2004