Jovičić, Ana, and Snježana Gagić. “HOTEL INNOVATION AND INTER-CLUSTER DIFFERENCES”. Tourism International Scientific Conference Vrnjačka Banja - TISC 1, no. 2 (June 4, 2016): 448-463. Accessed January 19, 2022. http://www.tisc.rs/proceedings/index.php/hitmc/article/view/196.