The criticality of the time on the refund of the projects. The special case of the concession projects. - Evangelos K. Christakos; Glikeria Kalfakakou (Oper. Res., 2006)

An economic evaluation model for concession on convention infrastructure projects in Greece. - Evangelos K. Christakos; Glikeria Kalfakakou (Oper. Res., 2007)