Shevchuk, V. O., L. Ye. Momotyuk, V. V. Popova, and H. V. Holubova. “Analysis of Results of the All-Ukrainian Student Olympiad on the Discipline ‘Statistics’”. Statistics of Ukraine, no. 2(69) (June 20, 2015): 23–26. Accessed July 16, 2026. https://su-journal.com.ua/index.php/journal/article/view/15.