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20 fev 1911 ano - Б. Е. Райковым предложен термин «исследовательский метод» широкое применение в учебном процессе приобрели экскурсии

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ByАнна Панфилова
15 out 2017
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0
453

Data:

20 fev 1911 ano
Agora
~ 113 years ago
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