KOLEV, B.; GROZEVA, M. REGIONAL DISTRIBUTION OF SOME DEMOGRAPHIC AND LAND-USE PARAMETERS IN BULGARIA. Discussion Papers, [S. l.], n. Special, p. 38–43, 2012. Disponível em: http://ojs.rkk.hu/index.php/DP/article/view/2373. Acesso em: 25 jun. 2024.