Butijer, Stjepo. “Improving Tourism Planning System in Protected Areas”. In Turizam I zaštićena područja: Zbornik Radova Sa Znanstvenog Kolokvija, edited by Nikola Bašić and Josip Faričić, 39–49. Morepress Books, 2025. Accessed May 27, 2026. https://testmorepress.unizd.hr/books/index.php/press/catalog/book/138/chapter/844.