What does COS stand for?
COS stands for "Certificate for OASIS Specialist"
How to abbreviate "Certificate for OASIS Specialist"?
"Certificate for OASIS Specialist" can be abbreviated as COS
What is the meaning of COS abbreviation?
The meaning of COS abbreviation is "Certificate for OASIS Specialist"
What does COS mean?
COS as abbreviation means "Certificate for OASIS Specialist"
