00349nam a2200109 a 450000500170000000800410001705000230005810000230008124501010010425000160020570000180022120140414093849.0120626s19uu    xx            00    eng d  aCD 510bG795h 2010  aGreen, Christopher  aOxford GCSE maths for Edexcel :bhigher - teacher's guide CD /cChristopher Green, Ian Bettison.  aversion 1.0  aBettison, Ian