TY  - BOOK
AU  - NEUMAN,WILLIN LAWRNCE
TI  - SOCIAL RESEARCH METHODS: QUALITATIVE AND QUANTITVE APPROCHES / 
U1  - 301.01 
PY  - 1994///
CY  - [S.N] : 
PB  - ALLYN AND BACON ، 
KW  - SOCIAL RESEARCH
KW  - RESEARCH METHODOLOGY
ER  -