G1. MITTAS N., L. ANGELIS (2006). Confidence intervals and hypothesis tests in the comparison of software cost estimation methods. Proceedings of the 19th Panhellenic Conference in Statistics, April 26-29, Kastoria, Greece, 2006 (In Greek).

G2. MITTAS N., L. ANGELIS (2009). Graphical comparison of software cost estimation models with regression error characteristic analysis. 22nd Panhellenic Conference in Statistics, April 22-26, Chania, Greece (In Greek).

G3. MITTAS N., FLOROU G., POLYCHRONIDOU P. (2009). Examination of Duration of Studies for the Accounting Department of the Technological Institution of Kavala through Survival Analysis. 22nd Panhellenic Conference in Statistics, April 22-26, Chania, Greece (In Greek).

G4. POLYCHRONIDOU P., MITTAS N., FLOROU G. (2009). Factors that Affect the Duration of Studies of the Accounting Department of the Technological Institution of Kavala. 5th Pan-Hellenic Data Analysis Conference with International Participation, September 10-12, Rethimno.

G5. SALTAS B., KONGUETSOF A., KALAMBAKAS A., POLYCHRONIDOU P., MITTAS N., TSIANTOS Β. (2010). Evaluation of the Skills for the 1st year Students in Mathematics for the Department of Petroleum Technology and Natural Gas of Technological Educational Institute of Kavala, 23rd Panhellenic Conference in Statistics, Veria, Greece (In Greek).

G6. ΤΣΙΑΝΤΟΣ Β., ΚΑΠΕΝΗΣ Κ., ΠΑΤΣΙΛΙΑΣ Γ., ΜΗΤΤΑΣ Ν., ΧΑΤΖΗΦΩΤΙΟΥ Σ. Η Χρήση του Βίντεο στη Διδασκαλία των Μαθηματικών Εφαρμογή στο Μάθημα «Μαθηματικά ΙΙ» του Τμήματος Βιομηχανικής Πληροφορικής του ΤΕΙ Καβάλας. 2ο Πανελλήνιο Συνέδριο Ένταξη και Χρήση των ΤΠΕ στην Εκπαιδευτική Διαδικασία, Πάτρα 28-30, Απριλίου, 2011.