Creswell, J. W. (2011). Designing and conduction: Mixed methods research. Sage.
Chicago-čujuhus (17. p.)Creswell, John W. Designing and Conduction: Mixed Methods Research. New Delhi: Sage, 2011.
MLA-čujuhus (9. p.)Creswell, John W. Designing and Conduction: Mixed Methods Research. Sage, 2011.
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