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