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20 век (jan 1, 1920 – jan 1, 1930)

Description:

эпоха советских педагогов, нацеленная на развитие личного опыта и коллективной деятельности в обучении

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ByСубудай Серет
2 Jun 2023
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109

Date:

jan 1, 1920
jan 1, 1930
~ 10 years
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