TY  - BOOK
AU  - Trochim,William M K.
TI  - Research methods / 
SN  - 9788177223720
U1  - 001.42 
PY  - 2009///
CY  - NULL : 
PB  - Biztantra , 
KW  - RESEARCH METHODS
N1  - Includes index and glossary
ER  -