Strategies of qualitative inquiry
Norman K. Denzin, editor; Yvonna S. Lincoln, editor
Sage Publications, 2003
 Buku Teks SO
Creswell, John W.
Qualitative inquiry and research design : choosing among five traditions
Sage, 1998
 Buku Teks SO
Creswell, John W.
Qualitative inquiry and research design : choosing among five approaches
SAGE Publications, 2018
 Buku Teks SO
Yati Afiyanti
Deficient health care services as barriers to meet care needs of gynecological cancer survivors in Indonesia: a qualitative inquiry
Elsevier, 2021
 Artikel Jurnal
Ostdiek, Vern J.
Inquiry into physics
Thomson Brooks/Cole, 2008
 Buku Teks SO