What does PPM stand for?
PPM stands for "Peter, Paul, & Mary"
How to abbreviate "Peter, Paul, & Mary"?
"Peter, Paul, & Mary" can be abbreviated as PPM
What is the meaning of PPM abbreviation?
The meaning of PPM abbreviation is "Peter, Paul, & Mary"
What does PPM mean?
PPM as abbreviation means "Peter, Paul, & Mary"
