TY  - BOOK
AU  - Leedy, Paul D.
AU  - Ormrod, Jeanne Ellis,
TI  - Practical research:: planning and design/ 
SN  - 978-1-292-02117-1
PY  - 2014///
KW  - Research
KW  - Methodology
KW  - sears
N1  - Includes bibliographical references and index
ER  -