Clarke,L. Harwood Ordinary level mathematics With answer L. Harwood Clarke, F. G. J. Norton - 7th edi. - England Heinemann Educational Publishers 1984 - XVI, 503 p. fig., shape 23.3 cm Includes index(457-459 p.) ISBN: 0-435-5034-1-3 0-435-503-42-1 Subjects--Topical Terms: MathmeticsMatematik Dewey Class. No.: 510 CLA