JELEV, V. NATURAL RESOURCES AND SUSTAINABLE DEVELOPMENT IN A MOUNTAIN ECONOMY. Annals of Spiru Haret University. Economic Series , [S. l.], v. 18, n. 4, p. 75–93, 2018. DOI: 10.26458/1845. Disponível em: https://anale.spiruharet.ro/economics/article/view/1845. Acesso em: 5 may. 2024.