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"Shkol'nitsa" system
"Rapira" language
Item 1. (Name does not exist in this language.)
Item 1. (Name does not exist in this language.)
Date: 01.11.1983
Original document language: russian
Authors: Andrei Demachek
Organizations: Gymnasiua Jura Hronca
Addressee: Andrei Petrovich Ershov

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