Hanrahan, Val. Additional mathematics for OCR / Val Hanrahan ; editor, Roger Porkess. - London : Hodder & Stoughton, 2004. - vii, 264 p. : ill., 1 map, ports. ; 25 cm. Includes index. ISBN: 0340869607 (pbk.) 9780340869604 (pbk.) Subjects--Topical Terms: Mathematics.Mathematics--Examinations--Study guides. Dewey Class. No.: 510 / HAN 2004