"Principle of visual aids at Technology of Education" . "Upozorn\u011Bn\u00ED na principy srozumitelnosti v technologii vzd\u011Bl\u00E1v\u00E1n\u00ED" . "Praha" . "Upozorn\u011Bn\u00ED na principy srozumitelnosti v technologii vzd\u011Bl\u00E1v\u00E1n\u00ED" . "1"^^ . . . "\u010Cipera, Jan" . "Principle of visuale aids at Technology of Education"@en . . "0"^^ . "136;137" . "856135" . . "Pol\u00E1\u0161ek, Jan" . "11310" . "Principle of visuale aids at Technology of Education"@en . . . "Pol\u00E1\u0161kov\u00E1, Dagmar" . . "3"^^ . "Academia" . . "80-7041-769-2" . "RIV:J13/95:113100781!RIV/1998/MSM/MSM8MG0" . . "RIV:J13/95:113100781" . "[2747D166AB88]" .