О.О. Zakharkin, L.L. Hrytsenko, L.S. Zakharkina и Iu.O. Myroshnychenko (2021) «COMPARATIVE ANALYSIS OF RETURN AND VOLATILITY OF THE KAZAKH AND UKRAINIAN STOCK MARKET SUBJECT TO THE INVESTMENT TIME HORIZON1», Scientific Journal of Pedagogy and Economics, (3), сс. 133–138. доступно на: https://journals.nauka-nanrk.kz/bulletin-science/article/view/2099 (просмотрено: 5 декабрь 2025).