Uchebnik arifmetiki dlya nachal′noj shkoly. CHast′ 2 (1933) — Popova Natal′ya Sergeevna — 2020 — ISBN 978-5-907289-39-0 | Exlibrus

Uchebnik arifmetiki dlya nachal′noj shkoly. CHast′ 2 (1933) — Popova Natal′ya Sergeevna — 2020 — ISBN 978-5-907289-39-0 | Exlibrus