RT Journal Article
SR Electronic
A1 Kossewska, Joanna
T1 
JF e-Pedagogium
YR 2011
VO 11
IS 2
SP 18
OP 37
DO 10.5507/epd.2011.020
UL https://e-pedagogium.upol.cz/artkey/epd-201102-0003.php
AB