RT Journal Article SR Electronic A1 Kvintová, Jana A1 Sigmund, Martin A1 Hřebíčková, Hana T1 JF e-Pedagogium YR 2014 VO 14 IS 2 SP 15 OP 30 DO 10.5507/epd.2014.015 UL https://e-pedagogium.upol.cz/artkey/epd-201402-0003.php AB