ČERNE, Andrej; KUŠAR, Simon. The System of Indicators for Regional Development, Structure and Potentials. Ljubljana, SI: Založba Univerze v Ljubljani,2018. v. GeograFF 06 DOI: 10.4312/9789610600428. Disponível em: https://ebooks.uni-lj.si/ZalozbaUL/catalog/book/59.. Acesso em: 8 may. 2024.