Kliestik, Tomas, Katarina Valaskova, Elvira Nica, Maria Kovacova, and George Lazaroiu. “Advanced Methods of Earnings Management: Monotonic Trends and Change-Points under Spotlight in the Visegrad Countries”. Oeconomia Copernicana 11, no. 2 (June 22, 2020): 371-400. Accessed September 19, 2020. http://economic-research.pl/Journals/index.php/oc/article/view/1783.