TY  - BOOK
AU  - Johnson,Burke
AU  - Christensen,Larry
TI  - Educational research quantitative,qualitative,and mixed approaches
SN  - 0205361269
AV  - LB1028 J66 E3 2004
PY  - 2004///
CY  - Boston
PB  - Pearson Education
KW  - Education
KW  - Research
ER  -