TY  - BOOK
AU  - Leedy, Paul D
AU  - Ormrod, Jeanne Ellis 
TI  - Practical Research: Planning and Design
SN  - 9780137152421
U1  - 001.4 
PY  - 2010///
CY  - Singapore
PB  - Pearson Education
KW  - Research
KW  - Practical Research
ER  -