Yin, Robert K.
Case study research : design and methods
Sage, 1989
Buku Teks
Yin, Robert K.
Case study research : design and methods
Sage, 1994
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Yin, Robert K.
Case study research : design and methods
Sage, 2003
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Yin, Robert K.
Case study research : design and methods
Sage , 2014
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Scholz, Roland W.
Embedded case study methods : integrating quantitative and qualitative knowledge
Sage, 2002
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