Jogiyanto H.M.
Metodologi penelitian sistem informasi
Andi, 2008
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Marzuki
Metodologi riset
BPFE - UII, 1989
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Nursalam
Pendekatan praktis: metodologi riset keperawatan
Sagung Seto, 2001
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Piran Wiroatmodjo
Dasar penelitian dan statistika
UI-Press, 2009
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Wengraf, Tom
Qualitative research interviewing : biographic narrative and semi-structured methods
Sage Publications, 2002
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