Passage: Russian State Social University (RSSU; Russian: Российский государственный социальный университет, abbreviated as РГСУ) was the first public university in the Russian Federation to offer undergraduate and graduate programmes in the field of social work. It is located in Moscow where positioned its three main historically important campuses. Russian State Social University is recognized as a fully accredited, state-owned, traditional institution. The current rector is Natalia Pochinok.

Question: What does RSSU stand for?
Russian State Social University