Yin,, Robert K. Case study research : design and methods / Robert K. Yin ; foreword by Donald T. Campbell

Case study research : design and methods / Robert K. Yin ; foreword by Donald T. Campbell . - Newbury Park : Sage, cop. 1989 . - 166 p. : il. gráficos 22 cm . - (Applied social research methods series; 5)
0-8039-3471-8 (Brochado)

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