TY  - BOOK
AU  - Leedy, Paul D.
AU  - Ormrod, Jeanne E. 
TI  - Practical research: Planning and design
SN  - 9780131365667
AV  - Q 180.55.M4L44 2010 
PY  - 2010///
CY  - Boston
PB  - Pearson Educational International
KW  - Research-Methodology
ER  -