TY  - BOOK
AU  - Leedy, Paul D.
AU  - Ormrod, Jeanne Ellis, 
TI  - Practical research : : planning and design / 
SN  -  9781292095875
U1  - 001.42  LEE.P 
PY  - 2015///
CY  - Boston
PB  - Pearson
ER  -