YIN ROBERT K. (1993). APPLICATION OF CASE STUDY RESEARCH. SAGE PUBLICATIONS.
Chicago-čujuhus (17. p.)YIN ROBERT K. APPLICATION OF CASE STUDY RESEARCH. NEWBURY PARK: SAGE PUBLICATIONS, 1993.
MLA-čujuhus (9. p.)YIN ROBERT K. APPLICATION OF CASE STUDY RESEARCH. SAGE PUBLICATIONS, 1993.
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