RT Journal Article
SR Electronic
A1 Regec, Vojtech
A1 Regec, Milan
T1 
JF e-Pedagogium
YR 2016
VO 16
IS 4
SP 53
OP 68
DO 10.5507/epd.2016.044
UL https://e-pedagogium.upol.cz/artkey/epd-201604-0006.php
AB