Yin, Robert K.
Case study research: design and methods
SAGE Publication, 1985
Buku Teks SO
Yin, Robert K.
Studi kasus: desain dan metode = Case study research: design and methods
Rajawali, 2013
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Gillham, Bill
Case study research methods
Continuum , 2000
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Modul metode survei cepat : untuk Dinas Kesehatan kabuapten/kotamadya
Departemen Kesehatan, 1998
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Research methods: guidance for postgraduates
edited by Tony Greenfield
Arnold, 1996
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