V. Urbanavičienė, A. Kaklauskas, E. K. Zavadskas, and M. Seniut, “The web–based real estate multiple criteria negotiation decision support system: A new generation of decision support systems”, IJSPM, vol. 13, no. 3, pp. 267–286, Sep. 2009, doi: 10.3846/1648-715X.2009.13.267-286.