What does PTN stand for?
PTN stands for "Polskie Towarzystwo Naukowe"
How to abbreviate "Polskie Towarzystwo Naukowe"?
"Polskie Towarzystwo Naukowe" can be abbreviated as PTN
What is the meaning of PTN abbreviation?
The meaning of PTN abbreviation is "Polskie Towarzystwo Naukowe"
What does PTN mean?
PTN as abbreviation means "Polskie Towarzystwo Naukowe"
