TY  - BOOK
AU  - Leedy, Paul D.
AU  - Ormrod, Jeanne Ellis.
TI  - Practical research: planning and design 
SN  - 0131108956
U1  - 001.4 
PY  - 2005///. c1989
CY  - Upper Saddle River, N.J.
PB  - Prentice Hall
KW  - Research
KW  -  Methodology
N1  - Includes bibliographical references (p. 309-311) and index
ER  -