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The efficiency of Islamic and concentional banks in the Gulf cooperation council (GCC) countries : an analysis using financial ratios and data envelopment analysis
Johnes, Jill; Izzeldin, Marwan; Pappas, Vasilleios - 2009
Persistent link: https://www.econbiz.de/10003879549
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Efficiency in the further education sector in England : a subject level analysis
Johnes, Jill (contributor); Bradley, Steve (contributor);  … - 2007
Persistent link: https://www.econbiz.de/10003471052
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Strategic responses to companies' own past performance : why do some firms fare better than others?
Johnes, Geraint; Johnes, Jill - 2009
Persistent link: https://www.econbiz.de/10003939252
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Costs and efficiency of higher education institutions in England : a DEA analysis
Thanassoulis, Emmanuel; Kortelainen, Mika; Johnes, Geraint - 2009
Persistent link: https://www.econbiz.de/10003802518