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