TY  - BOOK
AU  - Susan Weller
AU  - Kimball Romney A
TI  - Systematic data collection
SN  - 9780803930742
U1  - 300.723 
PY  - 1987///
CY  - California
PB  - Sage
KW  - Research Methods Social Sciences
KW  - Social Sciences Field Work
KW  - Social Sciences
ER  -