Author Рябчиков В. Description To school / Ryabchikov V. (art.). - ISOGIZ, 1962. - . Source of the electronic copy: PB Publisher Изогиз Catalogue object СССР в 1965 История образования и педагогической мысли в России и СССР Collections History of education in Russia → History of education in Russia → History of education in Russia in 1917–1991 → Primary and secondary education из 2
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