Žemgulienė, Jolanta, and Jūratė Zaleskytė. “Adoption of the N. Kano Model of Consumer Needs to the Service Market Segmentation and Product Differentiation”.
Ekonomika
, vol. 57, Dec. 2002, pp. 146–156,
https://doi.org/10.15388/Ekon.2002.16981
.