Marzanna K. Witek-Hajduk, Prof., is Full Professor (prof. dr hab.) at the SGH Warsaw School of Economics, in Poland, and Chair of the Department of International Business. Her research interests focus on international business, marketing, and branding, including digital and sustainable internationalisation from both strategic and consumer perspectives. She has authored and co-authored articles published in peer-reviewed, international journals, and has been editor of multiple scientific monographs.Magda Górska Grginović, PhD, is Assistant Professor in the Department of International Business, at the SGH Warsaw School of Economics, in Poland. She brings 15 years of practical experience working in both multinational corporations and a family-owned business. Her research interests revolve around international entrepreneurship, internationalisation of firms in particular SMEs, and digital transformation of companies combined with their sustainable development.Bartosz Targański, PhD, is Assistant Professor in the Department of International Business, at the SGH Warsaw School of Economics, in Poland, and a legal advisor. His research interests focus on competition and consumer protection law, international trade law, and e-commerce law. He has authored and co-authored articles published in peer-reviewed, scientific journals, and co-authored a commentary on the Polish Act on competition and consumer protection.

• Introductory chapter: digital internationalisation of firms - general overview, research streams and theoretical approaches 1. Digital internationalisation of Internet-enabled firms: process, modes, and strategies 2. Digital internationalisation of Internet-based firms: process, modes, and strategies 3. Digital internationalisation through R&D collaboration amongst research institutes. The Łukasiewicz Research Network – Institute of Aviation: case study 4. Digital internationalisation through service offshoring: Science Mapping Analysis 5. Consumer behaviour and cross-border e-commerce perspective 6. Sustainability challenges in digital internationalization 7. Internet-based knowledge acquisition for digital internationalization 8. Artificial Intelligence and Big Data analytics in international marketing: navigating opportunities and challenges 9. Firm and managerial capabilities as antecedents of digital internationalisation at small and medium-sized enterprises 10. The legal aspects of consumer protection in cross-border e-commerce 11. Cross-border e-commerce - tax and customs aspects 12. Intellectual property considerations in the internationalisation of e-commerce platforms for Poland-based brands: a case study of a fashion retailer

Marzanna K. Witek-Hajduk, Prof., is Full Professor (prof. dr hab.) at the SGH Warsaw School of Economics, in Poland, and Chair of the Department of International Business. Her research interests focus on international business, marketing, and branding, including digital and sustainable internationalisation from both strategic and consumer perspectives. She has authored and co-authored articles published in peer-reviewed, international journals, and has been editor of multiple scientific monographs.Magda Górska Grginović, PhD, is Assistant Professor in the Department of International Business, at the SGH Warsaw School of Economics, in Poland. She brings 15 years of practical experience working in both multinational corporations and a family-owned business. Her research interests revolve around international entrepreneurship, internationalisation of firms in particular SMEs, and digital transformation of companies combined with their sustainable development.Bartosz Targański, PhD, is Assistant Professor in the Department of International Business, at the SGH Warsaw School of Economics, in Poland, and a legal advisor. His research interests focus on competition and consumer protection law, international trade law, and e-commerce law. He has authored and co-authored articles published in peer-reviewed, scientific journals, and co-authored a commentary on the Polish Act on competition and consumer protection.

• Introductory chapter: digital internationalisation of firms - general overview, research streams and theoretical approaches 1. Digital internationalisation of Internet-enabled firms: process, modes, and strategies 2. Digital internationalisation of Internet-based firms: process, modes, and strategies 3. Digital internationalisation through R&D collaboration amongst research institutes. The Łukasiewicz Research Network – Institute of Aviation: case study 4. Digital internationalisation through service offshoring: Science Mapping Analysis 5. Consumer behaviour and cross-border e-commerce perspective 6. Sustainability challenges in digital internationalization 7. Internet-based knowledge acquisition for digital internationalization 8. Artificial Intelligence and Big Data analytics in international marketing: navigating opportunities and challenges 9. Firm and managerial capabilities as antecedents of digital internationalisation at small and medium-sized enterprises 10. The legal aspects of consumer protection in cross-border e-commerce 11. Cross-border e-commerce - tax and customs aspects 12. Intellectual property considerations in the internationalisation of e-commerce platforms for Poland-based brands: a case study of a fashion retailer

Marzanna K. Witek-Hajduk, Prof., is Full Professor (prof. dr hab.) at the SGH Warsaw School of Economics, in Poland, and Chair of the Department of International Business. Her research interests focus on international business, marketing, and branding, including digital and sustainable internationalisation from both strategic and consumer perspectives. She has authored and co-authored articles published in peer-reviewed, international journals, and has been editor of multiple scientific monographs.Magda Górska Grginović, PhD, is Assistant Professor in the Department of International Business, at the SGH Warsaw School of Economics, in Poland. She brings 15 years of practical experience working in both multinational corporations and a family-owned business. Her research interests revolve around international entrepreneurship, internationalisation of firms in particular SMEs, and digital transformation of companies combined with their sustainable development.Bartosz Targański, PhD, is Assistant Professor in the Department of International Business, at the SGH Warsaw School of Economics, in Poland, and a legal advisor. His research interests focus on competition and consumer protection law, international trade law, and e-commerce law. He has authored and co-authored articles published in peer-reviewed, scientific journals, and co-authored a commentary on the Polish Act on competition and consumer protection.

• Introductory chapter: digital internationalisation of firms - general overview, research streams and theoretical approaches 1. Digital internationalisation of Internet-enabled firms: process, modes, and strategies 2. Digital internationalisation of Internet-based firms: process, modes, and strategies 3. Digital internationalisation through R&D collaboration amongst research institutes. The Łukasiewicz Research Network – Institute of Aviation: case study 4. Digital internationalisation through service offshoring: Science Mapping Analysis 5. Consumer behaviour and cross-border e-commerce perspective 6. Sustainability challenges in digital internationalization 7. Internet-based knowledge acquisition for digital internationalization 8. Artificial Intelligence and Big Data analytics in international marketing: navigating opportunities and challenges 9. Firm and managerial capabilities as antecedents of digital internationalisation at small and medium-sized enterprises 10. The legal aspects of consumer protection in cross-border e-commerce 11. Cross-border e-commerce - tax and customs aspects 12. Intellectual property considerations in the internationalisation of e-commerce platforms for Poland-based brands: a case study of a fashion retailer