Sustainable tourism as an opportunity for the revitalization of Zmajevo Spa: inspiration from the good practice of Lenti Spa in Hungary Autori: Anastasia Radosavljević, Aleksandra Vujko, Katarina Bjelić Izdanje: SITCON 2025 - Tourism for people, planer and prosperity - what needs to happen by 2030? DOI: 10.15308/Sitcon-2025-145-157