Kovačić, Nataša, and Hrvoje Grofelnik. 2025. “The Impact of Tourism on the Environment in Legally Protected Areas – a Study of the Connection Between the Carbon Footprint of Road Traffic and Tourism Using the Example of the Učka Tunnel in the Učka Nature Park”. In Turizam I zaštićena područja: Zbornik Radova Sa Znanstvenog Kolokvija, edited by Nikola Bašić and Josip Faričić, 163-81. Morepress Books. https://doi.org/10.15291/9789533315447.08.