TY  - BOOK
AU  - Johnson, R. Burke
AU  - Christensen, Larry
TI  - Educational research: : quantitative, qualitative, and mixed approaches
SN  - 9781506386591
U1  - 370.72 
PY  - 2017///]
CY  - Thousand Oaks, CA
PB  - SAGE Publications
KW  - Education
KW  - Research
N1  - Includes bibliographical references (pages 665-677) and indexes
ER  -