RT Journal Article SR Electronic A1 Torres, Carlos A1 Hudousková, Marta T1 JF e-Pedagogium YR 2016 VO 16 IS 4 SP 15 OP 26 DO 10.5507/epd.2016.041 UL https://e-pedagogium.upol.cz/artkey/epd-201604-0003.php AB