Ulucan, Aydin, and Kazim Baris Atici. “A Multiple Criteria Sorting Methodology With Multiple Classifi Cation Criteria and an Application to Country Risk Evaluation”. Technological and Economic Development of Economy 19, no. 1 (April 2, 2013): 93-124. Accessed July 2, 2024. https://aviation.vgtu.lt/index.php/TEDE/article/view/4233.