Making inefficient market indices efficient. - Ephraim Clark; Octave Jokung; Konstantinos Kassimatis (Eur. J. Oper. Res., 2011)

A measure of total firm performance: new insights for the corporate objective. - Yacine Belghitar; Ephraim Clark; Konstantinos Kassimatis (Ann. Oper. Res., 2019)