Strategies of qualitative inquiry
Norman K. Denzin, editor; Yvonna S. Lincoln, editor
Sage Publications, 2003
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Creswell, John W.
Qualitative inquiry and research design : choosing among five traditions
Sage, 1998
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Creswell, John W.
Qualitative inquiry and research design : choosing among five approaches
SAGE Publications, 2018
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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
Mader, Sylvia S.
Inquiry into life
W.C. Brown , 1988
 Buku Teks