What does PER stand for?
PER stands for "Percentage Effort Ratio"
How to abbreviate "Percentage Effort Ratio"?
"Percentage Effort Ratio" can be abbreviated as PER
What is the meaning of PER abbreviation?
The meaning of PER abbreviation is "Percentage Effort Ratio"
What does PER mean?
PER as abbreviation means "Percentage Effort Ratio"
