RT Journal Article
SR Electronic
A1 Kossewska, Joanna
T1 
JF e-Pedagogium
YR 2013
VO 13
IS 2
SP 18
OP 29
DO 10.5507/epd.2013.016
UL https://e-pedagogium.upol.cz/artkey/epd-201302-0003.php
AB