Vukotić, Svetlana, and Goran Maksimović. “PROMOTIONAL INTERNET MIX: THE CASE STUDY OF TRAVEL AGENCIES IN BELGRADE”. Tourism International Scientific Conference Vrnjačka Banja - TISC 2, no. 1 (June 3, 2017): 412-429. Accessed July 28, 2026. https://tisc.rs/proceedings/index.php/hitmc/article/view/153.