Novikov, A. M., & Novikov, D. A. Research methodology: From philosophy of science to research design.
Chicago-čujuhus (17. p.)Novikov, Aleksandr M., juo Dmitry A. Novikov. Research Methodology: From Philosophy of Science to Research Design.
MLA-čujuhus (9. p.)Novikov, Aleksandr M., juo Dmitry A. Novikov. Research Methodology: From Philosophy of Science to Research Design.
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