What does USSR stand for?
USSR stands for "Uninterrupted Sustained Silent Reading"
How to abbreviate "Uninterrupted Sustained Silent Reading"?
"Uninterrupted Sustained Silent Reading" can be abbreviated as USSR
What is the meaning of USSR abbreviation?
The meaning of USSR abbreviation is "Uninterrupted Sustained Silent Reading"
What does USSR mean?
USSR as abbreviation means "Uninterrupted Sustained Silent Reading"
