| TOURISM AND POLLUTION VERSUS DANUBE LEGISLATION (EXAMPLE CAZANE, ROMANIA AREA) | |
| Cipriana Sava, Gheorghe Pinteala, Mircea Golosie | 
| Social Responsibility as a Means for the Sustainable Development in the Lower Danube River Basin | |
| Tzvetelin Gueorguiev, Marieta Krasteva |