TY  - BOOK
AU  - Leedy,Paul D.
AU  - Ormrod,Jeanne Ellis
AU  - Johnson,Laura Ruth
TI  - Practical research: planning and design 
SN  - 9789353439682
U1  - 001.4 23
KW  - Research
KW  - Methodology
N1  - Includes bibliographical references and index
ER  -