Ahmedova, S. 2026. SECURE CROSS-BORDER INNOVATION CLUSTERS IN INDUSTRY 4.0: A MODEL AND EMPIRICAL STUDY OF THE BURGAS–EDIRNE REGION. Proceedings of the International Conference on Secure Systems Design and Technology Development. 2, (Sep. 2026), 15–21. DOI:https://doi.org/10.68302/std2026.vol2.67.