I. Gražulevičiūtė-Vileniškė, V. Janilionis, J. Guščinskienė, and L. Ažukaitė, “Contingent valuation of built heritage properties in a transition country: a case of Lithuania”, IJSPM, vol. 15, no. 4, pp. 393–415, Jan. 2012, doi: 10.3846/1648715X.2011.638159.