TOURISM IMPACT MODELS AS SUSTAINABLE DEVELOPMENT PLANNING TOOLS FOR LOCAL AND REGIONAL AUTHORITIES oleh Andrei SCHVAB, Natașa VĂIDIANU, Igor SÎRODOEV, Hrvoje RATKAJEC, Marius SKOLKA, Marian TUDOR, George CRACU, Mirela PARASCHIV, Daciana SAVA, Irina FLOREA-SAGHIN, Urska STARC-PECENY, Tomi ILIJAŠ, Cristina Căluianu