Great Britain her majesty's stationary office. (1972). Mathematics in primary schools. Her majesty's stationary office.
シカゴスタイル引用形Great Britain her majesty's stationary office. Mathematics in Primary Schools. London: Her majesty's stationary office, 1972.
MLA引用形式Great Britain her majesty's stationary office. Mathematics in Primary Schools. Her majesty's stationary office, 1972.
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