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Zamyslovskaya, Ek.
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Social studies / Ek. Zamyslovskaya. - Moscow: Gos. publishing house. - (Teaching aids for schools I and II steps)
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Part 1: Scientific-ped. section State. training. council is allowed for shk. I steps. - [1924]. -80, [1] p. : il .. -
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Source of the electronic copy: PB |
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En
Ru