Triangles and crystals: on the geometry of qualitative research. Sandelowski M. Res Nurs Health. 1995 Dec;18(6):569-74. doi: 10.1002/nur.4770180612. PMID: 7480857
The science and art of theoretical location. Thorne S. Evid Based Nurs. 2014 Apr;17(2):31. doi: 10.1136/eb-2014-101738. Epub 2014 Feb 03. PMID: 24492983
The complexities of using grounded theory. Gelling L. Nurse Res. 2011;18(4):4-5. doi: 10.7748/nr2011.07.18.4.4.c8629. PMID: 21853885