What does PES stand for?
PES stands for "Phi Eta Sigma"
How to abbreviate "Phi Eta Sigma"?
"Phi Eta Sigma" can be abbreviated as PES
What is the meaning of PES abbreviation?
The meaning of PES abbreviation is "Phi Eta Sigma"
What does PES mean?
PES as abbreviation means "Phi Eta Sigma"
