Doçaj, Xhevahir, Shpresim Domi, Arben Terpollari, and Edmond KADIU. “Tourism Clusters, Characteristics, Principles and Developing Theory”. European Journal of Marketing and Economics 1, no. 3 (December 29, 2018): 39–43. Accessed April 20, 2024. https://revistia.org/index.php/ejme/article/view/3967.