Evaluating alternative Frequentist inferential approaches for optimal order quantities in the newsvendor model under Exponential demand. - George Emm. Halkos; Ilias S. Kevork (Int. Trans. Oper. Res., 2013)

Estimating Malmquist productivity indexes using probabilistic directional distances: An application to the European banking sector. - Ilias S. Kevork; Jenny Pange; Panayiotis Tzeremes; Nickolaos G. Tzeremes (Eur. J. Oper. Res., 2017)