Georgopoulos D, Demetriou IC. The Dependency of the Greek Software Industry on the Public Investment Program of Greece. Revue des Sciences Economiques et de Gestion. 2013;Vol. 13:1-38.

Demetriou IC, Koutoulidis V. On Signal Restoration by Piecewise Monotonic Data Approximation (Paper Award of The 2013 International Conference of Computational Statistics and Data Engineering). In: Proceedings of the World Congress on Engineering 2013. Vol. Vol. I. S.I. Ao, L. Gelman, D.W.L. Hukins, A. Hunter, A.M. Korsunsky, Editors. ; 2013. pp. 268-273.

Demetriou IC. An Application of Best L1 Piecewise Monotonic Data Approximation to Signal Restoration. IAENG International Journal of Applied Mathematics. 2013;Vol. 43(4):226-232.