POPOVIĆ, V.; NIKOLIĆ, M.; KATIĆ, B. The role of multifunctional agriculture in sustainable tourism development in the area of Stara Planina. Economics of Agriculture, [S. l.], v. 57, n. Spec.num.2, p. 333–342, 2010. Disponível em: https://ea.bg.ac.rs/index.php/EA/article/view/953. Acesso em: 4 may. 2024.