Dr. Aris Ikkos, ISHC Customer Satisfaction Survey Attica Hotels Athens-Attica Hotel Association 30 November 2011.
Olympic Games & Tourism: The Greek Experience Mr. Georgios Drakopoulos Director General, SETE - Association of Greek Tourism Enterprises Vice Chairman,
Customer Satisfaction Survey Attica Hotels
2010-2011 UGA Visitor's Guide
UGA Visitors Guide 2013
