TY  - BOOK
AU  - JOHNSON, Burke.
AU  - CHRISTENSEN, Larry.
TI  - Educational research: quantitative, qualitative and mixed approaches 
SN  - 0205361269
PY  - 2004///
CY  - Boston
PB  - Pearson Education
KW  - Christensen, Larry B.
KW  - Education
KW  - Research
N1  - Includes bibliographical references and index
ER  -