Ε.Σ.Σ.Ε. (ετών 2002 & 2003) της επιχείρησης ΣΧΟΛΕΣ ΔΕΛΤΑ ΒΟΡΕΙΟΥ ΕΛΛΑΔΟΣ Α.Ε. (Ι.Ε.Κ. ΔΕΛΤΑ ΘΕΣΣΑΛΟΝΙΚΗΣ)
Links
[1] https://www.omed.gr/en/node/131341
[2] https://www.omed.gr/sites/default/files/EpixRythmiseisEtosKeimeno/08-23-%CE%95%CE%A0.pdf
[3] https://www.omed.gr/en/%CF%83%CF%85%CE%BB%CE%BB%CE%BF%CE%B3%CE%B9%CE%BA%CE%AD%CF%82-%CF%81%CF%85%CE%B8%CE%BC%CE%AF%CF%83%CE%B5%CE%B9%CF%82-%CE%B5%CF%80%CE%B9%CF%87%CE%B5%CE%B9%CF%81%CE%B7%CF%83%CE%B9%CE%B1%CE%BA%CE%AD%CF%82/%CF%83%CF%87%CE%BF%CE%BB%CE%B5%CF%83-%CE%B4%CE%B5%CE%BB%CF%84%CE%B1-%CE%B2%CE%BF%CF%81%CE%B5%CE%B9%CE%BF%CF%85-%CE%B5%CE%BB%CE%BB%CE%B1%CE%B4%CE%BF%CF%83-%CE%B1%CE%B5-%CE%B9%CE%B5%CE%BA-%CE%B4%CE%B5%CE%BB%CF%84%CE%B1-%CE%B8%CE%B5%CF%83%CF%83%CE%B1%CE%BB%CE%BF%CE%BD%CE%B9%CE%BA%CE%B7%CF%83