TY  - BOOK
AU  - Mark, L Mitchell.
TI  - Research design explained
SN  - 9780495602217
U1  - 150.72 
PY  - 2009///
CY  - Belmont,, CA
PB  - Cengage Learning
KW  - Psychology
KW  -  Research
KW  -  Methodology
ER  -