Qualitative research
Merriam Sharan B., Tisdell Elizabeth J.Kniha
Citace v seznamu literatury:
MERRIAM, Sharan B. a TISDELL, Elizabeth J. Qualitative research: a guide to design and implementation. Fourth edition. The Jossey-Bass higher and adult education series. San Francisco: Jossey-Bass, a Wiley brand, [2016]. ISBN 9781119003618.