L R Gay
Educational research : competencies for analysis and application / L R Gay , Peter W Airasian - New Delhi : Pearsons, 2015. - 595 p.
Research
Research Education
370.78 G285E 2015
Educational research : competencies for analysis and application / L R Gay , Peter W Airasian - New Delhi : Pearsons, 2015. - 595 p.
Research
Research Education
370.78 G285E 2015