Gavra, Eleni G., and Kleoniki Gkioufi. “Economic, Social and Environmental Aspets for the Promotion of Cultural Heritage in the Balkans”. European Journal of Economics and Business Studies 5, no. 3 (December 20, 2019): 67–75. Accessed November 2, 2025. https://revistia.com/index.php/ejes/article/view/2711.