TY  - BOOK
AU  - Floyd J.
AU  -  Flower Jr.
TI  - Survey research methods
T2  - Applied Social Research Methods Series
SN  - 9781412758417
U1  - Yb4, P9 
PY  - 2009///
CY  - Los
PB  - angles Sage Publication        
KW  - Geography
N1  - Bibliography P 181-89
ER  -