4 treff

Educational research : competencies for analysis and applications
Gay, L. R.
Bok Engelsk 2011
Educational research : competencies for analysis and applications
Gay, L. R.
Bok Engelsk 2009
Research methods for business and management
L. R. Gay, P. L. Diehl
Bok Engelsk 1992
Educational research : competencies for analysis and application
L. R. Gay
Bok Engelsk 1976