TY  - BOOK
AU  - Leedy, Paul D.
AU  - Ormrod, Jeanne Ellis
TI  - Practical research: planning and design
SN  - 10: 0-13-269324-0
U1  - DC 001.4 
PY  - 2013///
CY  - Boston
PB  - Pearson
KW  - Research
KW  - Methodology
N1  - Includes bibliographical references and index
ER  -