Earl, Bryan IGCSE chemistry / Bryan Earl and Doug Wilford. - 2nd ed. - London : Hodder Education 2009 - xvi, 295 p.: ill. 28cm + 1 CD-ROM. Includes index. 295 ISBN: 9780340981887 LC Class. No.: QD42 .B9151 2009 Dewey Class. No.: QD42 .B9151 2009 National Library of Medicine Call No.: QD42 .B9151 2009