RT Journal Article SR Electronic A1 Sigmund, Martin A1 Kvintová, Jana A1 Pugnerová, Michaela A1 Hřebíčková, Hana T1 JF e-Pedagogium YR 2014 VO 14 IS 4 SP 104 OP 118 DO 10.5507/epd.2014.046 UL https://e-pedagogium.upol.cz/artkey/epd-201404-0011.php AB