RT Journal Article
SR Electronic
A1 Fryt, Joanna
A1 Sikora, Karolina
T1 
JF e-Pedagogium
YR 2012
VO 12
IS 2
SP 33
OP 46
DO 10.5507/epd.2012.023
UL https://e-pedagogium.upol.cz/artkey/epd-201202-0004.php
AB