Ivankova, N. V. (2015). Mixed methods applications in action research. Sage.
Chicago-čujuhus (17. p.)Ivankova, Nataliya V. Mixed Methods Applications in Action Research. California: Sage, 2015.
MLA-čujuhus (9. p.)Ivankova, Nataliya V. Mixed Methods Applications in Action Research. Sage, 2015.
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