RT Journal Article
SR Electronic
A1 Yuhan, Xie
T1 
JF e-Pedagogium
YR 2012
VO 12
IS 2
SP 95
OP 110
DO 10.5507/epd.2012.027
UL https://e-pedagogium.upol.cz/artkey/epd-201202-0008.php
AB