Good travel agent in BsAs

Hi all, can anyone recommend a good travel agent in BsAs that perhaps specializes in round-the-world tickets originating from here?
Thanks in advance!
Asatej sells all kinds of tickets, it´s a backpacker´s/students Travel agent (they would be the equivalent to Sta travel in the UK). They have offices dotted around Buenos Aires.... If you clik on the "Contactanos" you will be able to search for offices near your area