TY  - BOOK
AU  - Ward,Jean
AU  - Hansen,Kathleen A.
TI  - Search strategies in mass communication / 
U1  - 070.43 WAR H 
PY  - 1987///
CY  - New York : 
PB  - Longman, 
KW  - Mass media--Research--Methodology.
KW  - Mass communication--Research--Methodology
KW  - Communication--Research--Methodology.
ER  -