"The Problem of Chemistry Teaching"@en . "[F8B57C110A4A]" . . "Praxis der Naturwissenschaften 3 (Chemie)" . . . "881630" . "5" . . "0"^^ . "39;42" . . . "Problematika chemick\u00E9ho vzd\u011Bl\u00E1v\u00E1n\u00ED v \u010Cesk\u00E9 republice" . "11310" . "Problematika chemick\u00E9ho vzd\u011Bl\u00E1v\u00E1n\u00ED v \u010Cesk\u00E9 republice" . "RIV:J13/93:113100181" . "7614-1448" . "1"^^ . . . "1"^^ . "The Problem of Chemistry Teaching"@en . "5" . "\u010Cipera, Jan" . "RIV:J13/93:113100181!RIV/1998/MSM/MSM8MG0" . .