SEDLÁKOVÁ, Iveta. Business crisis and ratio indicators. In Marketing management, trade, financial and social aspects of business. International scientific conference. Marketing management, trade, financial and social aspects of business : conference proceedings of the 3rd international scientific conference : october 22 - 23, 2015, Košice, Slovak Republic. - Košice : Faculty of Business Economics with seat in Košice, 2016. ISBN 978-80-225-4163-3, s. 1-5 CD ROM.