00330nam a2200109 a 450000500170000000800410001705000220005810000150008024500620009526000490015765000140020620140414093849.0110920s19uu    xx uuu              eng d  aCD 540bC593 2009  aClark, Jim  aEdexcel IGCSE Chemistry:bActiveBook CD-ROM /cJim Clark.  aEngland :bPearson education Limited,c2009.  aChemistry