I think that everything you ask is possible
there are a lot of informations,addresses,phone numbers... :arrow:

http://www.ict-tower.com/genex/eng/

http://www.jatkopaonik.com/index_e.html

http://www.putnik.com/sr/index.html

http://www.serbia-tourism.org/index_e.php

but,I agree that you maybe will pay extra because you are foreigner-unfortunately
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