1. The Research Act: A Theoretical Introduction to Sociological Methods;Denzin,1988
2. Collecting and Interpreting Qualitative Materials,1998
3. Triangulation: Validity and empirically-based hypothesis construction;Erzberger;Quality & Quantity,1997
4. Analyzing and Reporting Focus Group Results;Krueger,1998
5. A feminist in the forest: Situated knowledges and mixing methods in natural resource management;Nightingale;ACME: An International E-Journal for Critical Geographers,2003