RT Journal Article
SR Electronic
A1 Wolák, Radim
T1 
JF e-Pedagogium
YR 2013
VO 13
IS 2
SP 96
OP 109
DO 10.5507/epd.2013.022
UL https://e-pedagogium.upol.cz/artkey/epd-201302-0009.php
AB