A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
Y
Z
Average cost of visual teaching aids Irving
Average cost of visual teaching aids calculated from several different offers on the market Irving, and also based on data sent by site visitors.
19 A$ - 28 A$
Average cost of visual teaching aids Irving
13
Number of companies selling visual educational aids
18 A$
Average price in 2000
20 A$
Average price in 2010