Originally published: 1971.
Introductory course notes and worksheets (26p : ill ; 30cm) as insert.
Vol.1 contains lessons 1-8, vol.2 lessons 9-16, vol.3 lessons 17-24.
Mathematics GCE 'O' Level by Graham Smithers. ISBN 0860820106. Published by National Extension College in 1980. Publication and catalogue information, links to buy online and reader comments.