The Implementation of Strategic Management in Greek Hospitality Businesses in Times of Crisis

by Sotirios Varelas, Nikolaos Apostolopoulos
Published 2020-09-01

The Impact of Information Technology and Sustainable Strategies in Hotel Branding, Evidence from the Greek Environment

by Sotirios Varelas, Panagiota Karvela, Nikolaos Georgopoulos
Published 2021-07-01

A strategic tourism knowledge base for socio-economic and environmental data analytics: The role of Big Data analysis

by Sotirios Varelas, Evangelia Kopanaki, Nikolaos Georgopoulos
Published 2020-03-01

Two Congenital Anomalies in One: An Ectopic Gallbladder with Phrygian Cap Deformity

by Vasileios Rafailidis, Sotirios Varelas, Naoum Kotsidis, Dimitrios Rafailidis
Published 2014-01-01