Research methods: guidance for postgraduates
edited by Tony Greenfield
Arnold, 1996
Buku Teks SO
Yin, Robert K.
Case study research: design and methods
SAGE Publication, 1989
Buku Teks SO
Yin, Robert K.
Case study research: design and methods
SAGE Publication, 1985
Buku Teks SO
The SAGE Encyclopedia of social science research methods
Sage Publications, 2007
eBooks
Pratt, Brian
Choosing research methods: data collection for development workers
Oxfam, 1992
Buku Teks SO