Holloway, Immy
Basic concept for qualitative research
Blackwell, 1997
 Buku Teks
Wengraf, Tom
Qualitative research interviewing : biographic narrative and semi-structured methods
Sage Publications, 2002
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Research topics
Jakarta : FK-UI, 2005,
 Majalah, Jurnal, Buletin
Journal of research in science, computing, and engineering
Manila : De La Saller University, 2007,
 Majalah, Jurnal, Buletin
Thyer, Bruce A.
The handbook of social work research methods
London : Sage Publications, 2001,
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