TY  - BOOK
AU  - Weller, Susan C.
AU  - Romney, Kimball A.(ed)
TI  - Systematic data collection: :qualitative research methods
SN  - 0803930749
U1  - 300.723 
PY  - 1988///
CY  - New Delhi
PB  - Sage Publication
KW  - Interviewing
ER  -