2J Douglas Hanna, "Financial Distress and Unexpected Cash-Flows", Graduate School of Business University of Chicago [M] . 1995.
3Edward I Altman. "Credit Rating, Methodologies, Rationale and Default Risk" , Risk Books, London, 2002.
4Emel Kahya and Panayiotis Theodossiou. "Predicting Corporate Financial Distress: A Time-Series CUSUM Methodology". 156th Annul Meeting of the American association. August 1996.
