1. Devi, K., Yadav, S.P., Kumar, S.: Extension of fuzzy TOPSIS method based on vague sets. Int. J. Comput. Cogn. 7(4) (2009)
2. Kahraman, C.: Fuzzy Multi-criteria Decision Making: Theory and Applications with Recent Developments, vol. 16. Springer Science & Business Media (2008)
3. Saaty, T.L.: The Analytic Hierarchy Process. McGraw-Hill, New York (1980)
4. Park, K.S., Lim, C.H.: A structured methodology for comparative evaluation of user interface designs using usability criteria and measures. Int. J. Ind. Ergon. 23(5–6), 379–389 (1999)
5. Yeh, C.H., Deng, H., Chang, Y.H.: Fuzzy multi criteria analysis for performance evaluation of bus companies. Eur. J. Oper. Res. 126, 459–473 (2000)