Case study research
300.722
Y52C,2 Yin, Robert K.
Case study research
-- Newbury Park : Sage , 1989
309961 166p.:ill.,tab.
Case method
Social sciences-Research-Methodology
Y52C,2 Yin, Robert K.
Case study research
-- Newbury Park : Sage , 1989
309961 166p.:ill.,tab.
Case method
Social sciences-Research-Methodology