Khrapko, Vladimir. “TESTING THE WEAK-FORM EFFICIENCY HYPOTHESIS IN THE UKRAINIAN STOCK MARKET VERSUS THOSE OF THE USA, RUSSIA, AND POLAND”. Ekonomika 92, no. 2 (January 1, 2013): 108–121. Accessed July 31, 2025. https://www.zurnalai.vu.lt/ekonomika/article/view/1411.