1. Rapid nutrition surveys among populations in emergency situations;Arbelot,1995
2. Incorporating qualitative methods into the study of health beliefs and health behaviours of rural older adults;Arcury,1998
3. Evaluating qualitative research in social geography: Establishing ‘rigour’ in interview analysis;Baxter;Transactions, Institute of British Geographers,1997
4. Research methods in anthropology: Qualitative and quantitative approaches;Bernard,2001
5. Geographic sampling;Berry,1968