BALOG, Iosif Marin; LUMPERDEAN, Ioan; GRÄF, Rudolf; BOLOVAN, Ioan. ROMANIAN JOURNAL OF POPULATION STUDIES, SUPPLEMENT. 2011, (POPULATION AND ECONOMY. RURAL AND URBAN INSTANCES). [s.l.] : Presa Universitară Clujeană,2012. Disponível em: https://editura.ubbcluj.ro/index.php/puc/catalog/book/1228. Acesso em: 17 mar. 2026.