TY  - BOOK
AU  - Johnson,Burke
AU  - Christensen,Larry B.
TI  - Educational research
SN  - 9781412978286 (cloth)
U1  - 370.72 
PY  - 2012///
CY  - Thousand Oaks, Calif.
PB  - SAGE Publications
KW  - Research
KW  - Education-Research
ER  -