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| нестандартный эксперимент (At its heart, Duncker's dilemma is a demonstration of the need for creative thinking; the original "out of the box" experiment. Alexander Demidov) | |||
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| нестандартный эксперимент (At its heart, Duncker's dilemma is a demonstration of the need for creative thinking; the original "out of the box" experiment. Alexander Demidov) | |||
