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cover of Basic Chemistry-Study Guide (3RD 11)

by Karen C. Timberlake


ISBN13: 978-0321676269
ISBN10: 0321676262

cover of Chemistry Demystified (2ND 11)

by Linda D. Williams


ISBN13: 978-0071751308
ISBN10: 0071751300

cover of Chemistry (12)

by BARCHARTS


ISBN13: 978-1423218593
ISBN10: 1423218590