TY  - BOOK
AU  - TULL D.S.,HAWKINS D.I.,
TI  - MARKETING RESEARCH: MEASUREMENT AND METHOD
SN  - 0-02-979640-7
U1  - 658.838 
PY  - 1980///
CY  - NEWE YORK
PB  - MACMILLAN PUBLISHING CO INC
ER  -