О.О. Zakharkin, L.L. Hrytsenko, L.S. Zakharkina, и Iu.O. Myroshnychenko. «COMPARATIVE ANALYSIS OF RETURN AND VOLATILITY OF THE KAZAKH AND UKRAINIAN STOCK MARKET SUBJECT TO THE INVESTMENT TIME HORIZON1». «Вестник НАН РК», no. 3 (октябрь 8, 2021): 133–138. просмотрено декабрь 23, 2024. http://89.250.84.46/bulletin-science/article/view/2099.