What does OPERA stand for?
OPERA stands for "Online Periodicals Research Area"
How to abbreviate "Online Periodicals Research Area"?
"Online Periodicals Research Area" can be abbreviated as OPERA
What is the meaning of OPERA abbreviation?
The meaning of OPERA abbreviation is "Online Periodicals Research Area"
What does OPERA mean?
OPERA as abbreviation means "Online Periodicals Research Area"
