TY  - BOOK
AU  - Ferber, Robert
AU  - Verdoorin, P.J. -jt.auth.
TI  - Research methods in economics and business
U1  - 330.018 
PY  - 1962///
CY  - NY
PB  - Macmillan
KW  - Business, research
KW  - Economic, Research
ER  -