TY  - BOOK
AU  - Gay, Lorraine R.
AU  - Mills, Geoffrey E.
AU  - Airasian, Peter W.
TI  - Educational research: competencies for analysis and application 
SN  - 9789332541061
U1  - 370.72 
PY  - 2017///
CY  - New Delhi
PB  - Pearson Education
KW  - Educational research
ER  -