TY  - BOOK
AU  - Johnson Burke
AU  - Christensen Larry
TI  - Educational Research
SN  - 0205361269
U1  - 370.72 
PY  - 2004///
CY  - Boston
PB  - PEARSON 
KW  - Quantitative, Qualitative, and Mixed Approaches
N1  - Include bibliographical reference and index
ER  -