Curwin, Jon. Improve your maths : a refresher course / Jon Curwin and Roger Slater. - Austalia : Business Press , 2000. - vii,113 pages : black and white illustrations ; 26cm. ISBN: 9812400427 Subjects--Topical Terms: Mathematics--Study and teaching.Mathematics--Ability testing. Dewey Class. No.: CIR 372.7 C982 2000