Zheliazkov, Georgi, Darina Zaimova, Evgeni Genchev, and Krasimira Toneva. “CLUSTER DEVELOPMENT IN RURAL AREAS”. Ekonomika poljoprivrede 62, no. 1 (January 31, 2015): 73–93. Accessed July 3, 2024. https://ea.bg.ac.rs/index.php/EA/article/view/315.