Izvestia Journal of the Union of Scientists - Varna. Economic Sciences Series

2023 - 2025

Current editor(s): Yanka Aleksandrova

From Union of Scientists - Varna
Bibliographic data for series maintained by Sabka Pashova ( this e-mail address is bad, please contact ).

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2025, issue 2

Does silence sell? pp. 5-12

Michal Stojanov

Mediation approaches in the leader's practice pp. 13-22

Velislava Nikolaeva

Innovation, intellectual property and agricultural sector pp. 23-30

Radka Ivanova and Radmil Nikolov

Female expatriates’ adjustment: prejudices and facilitators in host countries pp. 31-40

Silviya Dimitrova

Applying Smart Specialisation to Agricultural Innovation: Evidence from the North-East Planning Region of Bulgaria pp. 41-48

Tanya Georgieva

Organizational Issues Regarding Hotel Information System Protection Activities pp. 49-57

Stefka Petrova and Pavel Petrov

Protecting Hotel Computer Networks from External Denial-of-Service Threats pp. 58-65

Stefka Petrova and Dimitrios Simeonidis

The subscription business model in e-commerce pp. 66-76

Desislava Grozdeva

Consumer Experience and Happiness – Philosophy and Evolution of Concepts pp. 77-87

Violeta Peteva

Opportunities for an integrated approach using AI in healthcare pp. 88-99

Mariya Armyanova

Opportunities for an integrated approach using AI in healthcare pp. 100-111

Mariya Armyanova

Consumers, Traders, and the Euro: Interactions and Challenges in the Transition to the Eurozone pp. 112-125

Miglena Dushkova

Historiographical Study of Authentication Approaches in Computer Systems pp. 126-134

Petar Dimitrov and Pavel Petrov

Security Considerations Regarding Access to Information Systems pp. 135-142

Petar Dimitrov and Dimitrios Simeonidis

Trends and innovations in social media marketing for tourism: Opportunities for the development and promotion of destination Varna pp. 143-153

Radostina Nikolova

2025, issue 1

Strategic Integration of Artificial Intelligence in Higher Education and Research: Achievements and Practices at the University of Economics – Varna pp. 6-12

Bistra Vasileva

Bulgarian tourism ecosystem in the context of changing geo environment – possibilities for sustainable development pp. 13-19

Svetla Rakadzhiyska

Hyper-personalization in commerce pp. 20-27

Michal Stojanov

Competitive Behavior and Strategic Complementarity in Bulgarian Retailing pp. 28-37

Violeta Dimitrova

Current dimension of the energy market in Bulgaria pp. 38-48

Donka Zhelyazkova

Safeguarding and Promoting Bulgarian Traditional Foods: Insights from European Experience pp. 49-61

Stoyan Marinov, Sabka Pashova, Hristina Filipova, Galina Ilieva and Marianna Aleksandrova

Bridging Motivation and Performance ‒ Integrating Gamification Strategies from Higher Education to the Workplace pp. 62-69

Silvia Parusheva and Guy Kaufmann

Gamification through Learning Management Systems ‒ Linking Student Engagement and Employee Development in Digital Environments pp. 70-80

Guy Kaufmann and Silvia Parusheva

Artificial intelligence as a catalyst for reshaping global value chains in multinational firms pp. 81-88

Kaloyan Kolev

Post Covid-19 fiscal patterns in the Balkan countries pp. 89-96

Georgi Marinov

Application of the diversification strategy in the field of essential oil crops grown in the Northeastern region of Bulgaria pp. 97-107

Gergana Slavova, Mihaela Todorova and Natalia Petrova

Once again about the rising government expenditure on defence: the case of Bulgaria pp. 108-117

Svetlana Gercheva

Board and Board Committees in AI-Innovative Banks: A Comparative Study pp. 118-131

Aleksandrina Pancheva

Eco-patents for inventions issued in Bulgaria for the period 2018-2024 pp. 132-140

Plamen Pavlov

Concentration and diversity of aquatic food trade in Southeastern Europe pp. 141-149

Aleksandar Shivarov

Co-modality in Urban Logistics: is it Possible in Bulgaria? pp. 150-158

Vladi Kurshumov

Academic Knowledge Engineering in the Age of AI pp. 159-166

Latinka Todoranova

Big Data Analytics for Predicting and Optimizing SEO Keyword Performance in Digital Marketing pp. 167-173

Liliya Mileva

Business Intelligence and Data Analysis – Platforms, Applications and Significance for Organizations and Higher Education pp. 174-184

Gergana Kasabova

Generation Z – Driver of Language Transformation in the Digital Age pp. 185-192

Anita Todoranova

Implementing organizational change: factors for success in a Bulgarian transport and logistics company pp. 193-202

Vesselina Maximova and Mehmed Eshref

Bulgaria in the Light of Geoeconomics and Eurozone Accession pp. 203-213

Miroslav Kamdzhalov

Strategic Planning of Tourism Destinations in a Globalized and Cross-Cultural Environment pp. 214-226

Katina Popova

Consumer Expenditure Inequality in Bulgaria: A Gini Coefficient Decomposition pp. 227-239

Silviya Bratoeva-Manoleva

Artificial intelligence for collaboration in a digitally accessible environment: a bibliometric analysis pp. 240-247

Radka Nacheva

Assessment of the speed of convergence of production structures between CEE countries and the Euro area pp. 248-255

Silvia Gospodinova

AI-Driven Hospitality: Navigating Ethical Frontiers in the Age of Hyper-Personalization pp. 256-264

Galina Ilieva

Application of public procurement and control through the perspective of a computer sector company pp. 265-276

Nadezhda Tsvetkova and Emilia Rangelova

Institutional Drivers of ESG Implementation in Bulgaria: Challenges and Opportunities pp. 277-286

Qiancheng Bao

Visual Attention to Key Ad Elements: An Eye-Tracking Study pp. 287-296

Hristina Aleksandrova

Beyond the Concierge: AI as the New Personalization Engine in Hospitality pp. 297-305

Ivelina Ilieva

Optimization of Marketing Communications for Promoting Bulgarian Maritime Tourism in the Baltic Market pp. 306-316

Desislava Kadiyska

The new profile of the business tourist:trends and challenges facing contemporary business hotels pp. 317-326

Bilyana Nedelcheva

Fuzzy AHP Approach to E-marketplaces in European Construction Industry pp. 327-333

Boyana Temelkova

Strategic Aspects of Entrepreneurial Activity in the Context of Digital Technologies and Artificial Intelligence Systems pp. 334-343

Magdalena Parcheva