R. Vavrek, E. Ardielli. "TOPSIS AS EVALUATION TOOL OF EGOVERNMENT DEVELOPMENT IN EU MEMBER STATES." 5th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2018, 2018, pp. 355-362. https://doi.org/10.5593/sgemsocial2018/1.2/S01.047