What does SIO stand for?
SIO stands for "Surat Izin Operator"
How to abbreviate "Surat Izin Operator"?
"Surat Izin Operator" can be abbreviated as SIO
What is the meaning of SIO abbreviation?
The meaning of SIO abbreviation is "Surat Izin Operator"
What does SIO mean?
SIO as abbreviation means "Surat Izin Operator"
