3Rudi Vander Vennet. The effect or mergers and acquisitions on the efficiency and profitability of EU credit institutions,Journal of Banking and Finance. 1996, (20) :1531-1558.
4Harold O. Fried,C. A. Knox Lovell, Suthathip Yaisauarng. The impact of mergers on credit union service provision,Journal of Banking and Finance, 1999, (23):367-386