Bejatović, Gordana, and Jelena Ristić. “MODERN CONCEPT OF TOURISM DEVELOPMENT AND NORMATIVE PROTECTION OF NATIONAL PARKS”. Tourism International Scientific Conference Vrnjačka Banja - TISC 1, no. 2 (June 4, 2016): 483-500. Accessed April 30, 2026. http://www.tisc.rs/proceedings/index.php/hitmc/article/view/198.