What does OPA stand for?
OPA stands for "Officer Personnel Act (1947)"
How to abbreviate "Officer Personnel Act (1947)"?
"Officer Personnel Act (1947)" can be abbreviated as OPA
What is the meaning of OPA abbreviation?
The meaning of OPA abbreviation is "Officer Personnel Act (1947)"
What does OPA mean?
OPA as abbreviation means "Officer Personnel Act (1947)"
