Lincaru, C. (2015) „Regional Differences Illustrated by Registered Unemployment Maps with Natural Intervals Jenks at Local Administrative Units LAU 2 Level (NUTS 5) in Romania”, Calitatea Vieții, 26(2), pp. 115–130. Disponibil la: https://revistacalitateavietii.ro/journal/article/view/62 (Data accesării: 6 noiembrie 2026).