Big Data and Innovation in Tourism, Travel, and Hospitality | SpringerLink
Mobile Big Data | springerprofessional.de
PDF) Efficient Customer Relationship Management and Novel e-Marketing Strategies in Tourism and Hospitality | Emmanouil Perakakis, George Mastorakis, and Ioannis Kopanakis - Academia.edu
Ioannis D. Kyriazanos - Clinical Oncology Journal (ISSN 2766-9882)
PDF) A Technology Convergence Model Adopted in Tourism Relationship Marketing | Emmanuel Perakakis - Academia.edu