Gillham, Bill
Case study research methods
Continuum , 2000
Buku Teks
Encyclopedia of case study research
Sage Publications, 2009
eBooks
Yin, Robert K.
Case study research: design and methods
SAGE Publication, 1985
Buku Teks SO
Yin, Robert K.
Case study research : design and methods
Sage, 2003
Buku Teks SO
Yin, Robert K.
Case study research : design and methods
Sage, 1994
Buku Teks SO