Δονάτος Γ. Σ., Γκιώκας Δ., & Αθανασόπουλος Α. (2002). Alternative models of input - output for the evaluation of relative performance for a Greek bank’s network of branches. SPOUDAI Journal of Economics and Business, 52(1-2), 136–159. Retrieved from https://spoudai.org/index.php/journal/article/view/454