| | Issue Date | Type | Title | Author(s) |
| 1421 | 1-Oct-2017 | Article | Opinion of citizens in Primary Health Care management and offered services by Local Authorities | Goula, Aspasia Pierrakos, George Soulis, Sotiris Sarris, Markos Platis, Charalampos et al |
| 1422 | 1-Jan-2018 | Article | Opinions and attitudes of greek hospitals’ personnel towards the use of robotic surgery | Tsirintani, Maria Babali, Stavroula |
| 1423 | 7-Feb-2020 | Article | Opportunities and Barriers in Higher Education for Young Refugees in Greece | Saiti, Anna Chletsos, Michael |
| 1424 | 1-Jul-2014 | Conference Paper | Optimal asset allocation in radial basis functions networks and hybrid neuro-genetic RBFNs to TLRNs MLPs and bayesian logistic regression | Loukeris, Nikolaos Livanis, Efstratios Eleftheriadis, Iordanis |
| 1425 | 1-Sep-1999 | Conference Paper | An optimal framework for summarization of stereoscopic video sequences | Ntalianis, Klimis Doulamis, Nikolaos Doulamis, Anastasios Avrithis, Yannis Kollias, Stefanos |
| 1426 | 1-Sep-2019 | Conference Paper | Optimal information paths in social media: Personalized consumption of tweets | Ntalianis, Klimis Mastorakis, Nikolaos |
| 1427 | 1-Jan-2021 | Article | Optimal Instagram advertising design features. A study on brand image and millennials' purchase intention | Konstantoulaki, Kleopatra Rizomyliotis, Ioannis Zafeiriadis, Dimitrios Giovanis, Apostolos |
| 1428 | 1-Jun-2001 | Conference Paper | Optimal interactive content-based image retrieval | Ntalianis, Klimis Doulamis, Anastasios Doulamis, Nikolaos |
| 1429 | 1-Jan-2002 | Conference Paper | An optimal interpolation-based scheme for video summarization | Ntalianis, Klimis Doulamis, Anastasios Doulamis, Nikolaos |
| 1430 | 1-Feb-2007 | Conference Paper | Optimal multiscale organization of multimedia content for fast browsing and cost-effective transmission | Ntalianis, Klimis Kollias, Stefanos |
| 1431 | 1-Jan-2010 | Conference Paper | Optimal Portfolio Selection under a New Perspective of the Three Factor Model | Eleftheriadis, Iordanis Loukeris, Nikolaos Wang, X. |
| 1432 | 1-Feb-2021 | Conference Paper | Optimization of Paid Search Traffic Effectiveness and Users’ Engagement Within Websites | Drivas, Ioannis Giannakopoulos, Georgios Kyriaki - Manessi, Daphne Sakas, Damianos |
| 1433 | 1-Dec-2005 | Conference Paper | An optimized key-frames extraction scheme based on SVD and correlation minimization | Ntalianis, Klimis Kollias, Stefanos |
| 1434 | 4-Jul-2018 | Book Chapter | Oral communication skills and pedagogy | Mousena, Eleni Sidiropoulou–Kanellou, Tryfaini |
| 1435 | 1-Jan-2005 | Conference Paper | The organisation of academic work and university administration: a qualitative study from Greece | Saiti, Anna Mattheou, Dimitrios |
| 1436 | 1-Jan-2021 | Conference Paper | Organization of Local Community Health Network During Infections Such as COVID-19 | Pierrakos, George |
| 1437 | 9-Feb-2015 | Conference Paper | Organization of the concepts of the Platonic dialogue Parmenides into a software ontology | Dendrinos, Markos |
| 1438 | 1-Jan-2009 | Article | Organizational culture and its relationship with financial statements: the Greek case | Kargas, Antonios Pardalis, Dimitrios |
| 1439 | 1-Jan-2014 | Conference Paper | Organizational culture and motivation in the public sector. the case of the city of Zografou | Sahinidis, Alexandros Massaras, Panagiotis Polychronopoulos, George |
| 1440 | 1-Jan-2016 | Article | Organizational Culture and Performance Measures in Greek Telecommunication Industry | Kargas, Antonios |