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School Informatics
Periodical press on the subject of SI
Contribution to the "Prospects, review of education" journal
Letter (hand-written)
Letter (hand-written)
Date: 04.05.1985
Original document language: russian
Authors: Andrei Petrovich Ershov
Organizations: "Progress" Publishing House
Addressee: Enessa A. Sapova

Images of pages:
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