G1. ANGELIS, L. and C. MOYSSIADIS (1991). Α-optimal unequal block designs. 4th Pan-Hellenic Conference in Statistics. Patras, Greece. (In Greek)

G2. ANGELIS, L. and C. MOYSSIADIS (1991). Methods for constructing BTIUB designs. 4th Pan-Hellenic Conference in Statistics. Patras, Greece (In Greek)

G3. ANGELIS, L., A. GEORGIOU and A. PAPADOPOULOU (1995). Investigating budget balance by Monte Carlo techniques. 8th Pan-Hellenic Conference in Statistics. Delfoi, Greece (In Greek)

G4. GINOGLOU, D., L. ANGELIS, S. MOYSI and G. TSIANOGIANIS (1996). Problems of small or medium touristic enterprices of Chalkidiki. Proposed solution as corporate recovery. 10th Pan-Hellenic Conference in Operational Research. (In Greek)

G5. DASIOU, D., L. ANGELIS and C. MOYSSIADIS (1998). The convex linear combination of two M-estimators and its breakdown point. 11th Pan-Hellenic Conference in Statistics.(In Greek)

G6. ANGELIS, L. (2000). Random search algorithms with applications to problems of optimal experimental designs. 13th Pan-hellenic Conference in Statistics. (In Greek).

G7. STAMELOS I., L. ANGELIS, A. OIKONOMOU (2001) Investigating the Relationship Between Source Code Modularity and User Satisfaction in Open-Source. 1st Panhellenic Conference with International Participation on Human-Computer Interaction Patras, Greece.

G8. ΑNGELIS, L. (2002). Incomplete block designs for successive comparisons of ordered treatments. 15th Pan-hellenic Conference in Statistics. (In Greek)

G9. MARNAS S., L. ANGELIS (2002). A brief review of e-lottery schemes. Informatics (Edited by Cyprus Computer Society), issue 3, pp. 25-26.

G10. ANTONIADES I., I. STAMELOS, L. ANGELIS, G. BLERIS (2003). Dynamical simulation models for the development process of open source software projects. Proceedings of the 9th Panhellenic Conference in Informatics, November 2003, Thessaloniki, Greece.

G11. SENTAS, P., L. ANGELIS, I. STAMELOS (2003). Multinomial logistic regression applied on software productivity prediction. Proceedings of the 9th Panhellenic Conference in Informatics, November 2003, Thessaloniki, Greece.

G12. ANGELIS, L., G. STAMATELLOS (2003). Random search algorithms for optimal sampling designs in forest inventories. Proceedings of the 16th Panhellenic Conference in Statistics, Kavala, Greece. (In Greek).

G13. C.BERBERIDIS, L.ANGELIS, I.VLAHAVAS (2004). Inter-Transaction Association Rules Mining for Rare Events Prediction. Proceedings of the 3rd Hellenic Conference on Artificial Intelligence, May 2004, Samos.

G14. ANGELIS L., Μ. ΜUTSA (2004). Software cost estimation: resampling techniques for estimation by analogy. Proceedings of the 17th Panhellenic Conference in Statistics, Lefkada. (In Greek)

G15. SFETSOS, P., A. KAROULIS, I. STAMELOS, L. ANGELIS. (2005). Evaluating a minimalistic design for ODL Environments. ICODL 2005, 3rd International Conference on Open and Distance Learning, ‘Applications of Pedagogy and Technology’ Patra 11-13 November, 2005.