TY  - GEN
AU  - Tull,Donald S.
AU  - Albaum,Gerald S.
TI  - Survey research a decisional approach 
SN  - 0700202099
U1  - 001.42 
PY  - 1973///
CY  - New York : 
PB  - Interext Books, 
KW  - Survey research
KW  - Decisional approach
ER  -