Kostenko, Iarislav, and Mykola Sydorov. “Analysis of Rank Scales in Mass Surveys”. Visnyk of V. N. Karazin Kharkiv National University. Series Sociological studies of contemporary society: methodology, theory, methods 390 (February 23, 2018): 110-117. Accessed December 7, 2025. https://periodicals.karazin.ua/ssms/article/view/9904.