What does PTSI stand for?
PTSI stands for "phys techn sci ingen"
How to abbreviate "phys techn sci ingen"?
"phys techn sci ingen" can be abbreviated as PTSI
What is the meaning of PTSI abbreviation?
The meaning of PTSI abbreviation is "phys techn sci ingen"
What does PTSI mean?
PTSI as abbreviation means "phys techn sci ingen"
