RESEARCH ON THE IMPACT OF THE USER EXPERIENCE FOR THE SUCCESS OF A VIRTUAL PRODUCT: BULGARIAN TRAVEL AGENCY WEBSITES. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, [S. l.], v. 2, p. 237–241, 2025. DOI: 10.17770/etr2025vol2.8591. Disponível em: https://archive-journals.rtu.lv/etr/article/view/5137.. Acesso em: 11 mar. 2026.