ZHELIAZKOV, G.; ZAIMOVA, D.; GENCHEV, E.; TONEVA, K. CLUSTER DEVELOPMENT IN RURAL AREAS. Economic of Agriculture, [S. l.], v. 62, n. 1, p. 73–93, 2015. DOI: 10.5937/ekoPolj1501073Z. Disponível em: https://www.ea.bg.ac.rs/index.php/EA/article/view/315. Acesso em: 6 dec. 2025.