C. Lincaru, V. Ciucă, D. Atanasiu, and C. Drăgoiu, “Regional Differences Illustrated by Registered Unemployment Maps with Natural Intervals Jenks at Local Administrative Units LAU 2 Level (NUTS 5) in Romania”, RCV, vol. 26, no. 2, pp. 115–130, Jun. 2015, Accessed: Nov. 06, 2026. [Online]. Available: https://revistacalitateavietii.ro/journal/article/view/62