![Speech delivered in HAGS on “Digital Governance and Interoperability: The case of National Defence”, by Dr. Ioannis Charalabidis | Army gr Speech delivered in HAGS on “Digital Governance and Interoperability: The case of National Defence”, by Dr. Ioannis Charalabidis | Army gr](http://army.gr/sites/default/files/styles/blog_header__1170x409_/public/155868745211676378012018_11_27_omilia_1_header.jpg?itok=cxrybKCz)
Speech delivered in HAGS on “Digital Governance and Interoperability: The case of National Defence”, by Dr. Ioannis Charalabidis | Army gr
![ioannis karvoutzis & Renos Charalampidis @ minnie the moocher - Picture of Minnie The Moocher - Bar, Athens - Tripadvisor ioannis karvoutzis & Renos Charalampidis @ minnie the moocher - Picture of Minnie The Moocher - Bar, Athens - Tripadvisor](https://media-cdn.tripadvisor.com/media/photo-s/0e/bb/be/62/ioannis-karvoutzis-renos.jpg)
ioannis karvoutzis & Renos Charalampidis @ minnie the moocher - Picture of Minnie The Moocher - Bar, Athens - Tripadvisor
![Nikolaos CHARALAMPIDIS | PhD Student | Master of Science Applied Mathematics | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Department of Applied and Environmental Physics | Research profile Nikolaos CHARALAMPIDIS | PhD Student | Master of Science Applied Mathematics | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Department of Applied and Environmental Physics | Research profile](https://i1.rgstatic.net/ii/profile.image/453345757405185-1485097459157_Q512/Nikolaos-Charalampidis.jpg)
Nikolaos CHARALAMPIDIS | PhD Student | Master of Science Applied Mathematics | Aristotle University of Thessaloniki, Thessaloníki | AUTH | Department of Applied and Environmental Physics | Research profile
![Amazon.com: Revolutionizing Enterprise Interoperability through Scientific Foundations: 9781466651425: Yannis Charalabidis, Yannis Charalabidis, Fenareti Lampathaki, Ricardo Jardim-Goncalves: Books Amazon.com: Revolutionizing Enterprise Interoperability through Scientific Foundations: 9781466651425: Yannis Charalabidis, Yannis Charalabidis, Fenareti Lampathaki, Ricardo Jardim-Goncalves: Books](https://m.media-amazon.com/images/I/61kYe45+yVL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Revolutionizing Enterprise Interoperability through Scientific Foundations: 9781466651425: Yannis Charalabidis, Yannis Charalabidis, Fenareti Lampathaki, Ricardo Jardim-Goncalves: Books
![Ιωάννης Χαραλαμπίδης | Ρεπορτάζ και ειδήσεις για την Οικονομία, τις Επιχειρήσεις, το Χρηματιστήριο, την Πολιτική. Ιωάννης Χαραλαμπίδης | Ρεπορτάζ και ειδήσεις για την Οικονομία, τις Επιχειρήσεις, το Χρηματιστήριο, την Πολιτική.](https://www.mononews.gr/wp-content/uploads/2022/07/220726215124_%CF%81%CE%B1%CE%B5%CF%87%CE%B1%CF%81%CE%B1%CE%BB.jpg)
Ιωάννης Χαραλαμπίδης | Ρεπορτάζ και ειδήσεις για την Οικονομία, τις Επιχειρήσεις, το Χρηματιστήριο, την Πολιτική.
![Interoperability in Digital Public Services and Administration: Bridging E-Government and E-Business: Yannis Charalabidis, Yannis Charalabidis: 9781615208876: Amazon.com: Books Interoperability in Digital Public Services and Administration: Bridging E-Government and E-Business: Yannis Charalabidis, Yannis Charalabidis: 9781615208876: Amazon.com: Books](https://m.media-amazon.com/images/I/71t0TSlqEJL._AC_UF1000,1000_QL80_.jpg)