Change for a pound
Subtitle: a teaching guide for the introduction of decimal currency and the adoptionof metric measures.
Edition: 2nd revised ed.
Publisher: H.M.S.O
Published: 1970
Place of publication: London
Language: eng
Number of pages: 51
Subjects: Decimal system -- Study and teaching.
Notes: Previous ed. (B68-21147) 1968.

bibl p48-49.