"1"^^ . . "Thinking processes involved in solving combinatorial problems"@en . . . "Kratochv\u00EDlov\u00E1, Jana" . . "0"^^ . . "63;66" . "11410" . "RIV:J13/97:114100989!RIV/1998/MSM/MSM8ME0" . . . "European Research Conference on Mathematical Education ERCME" . "Thinking processes involved in solving combinatorial problems" . "Thinking processes involved in solving combinatorial problems"@en . "815721" . "Praha" . . "80-7196-078-0" . "RIV:J13/97:114100989" . . "Thinking processes involved in solving combinatorial problems" . "[2E9A17EDF35A]" . "Prometheus" . "1"^^ .