Feeding to Digestion (Hands on Science)
by William Hemsley
ISBN 13: 9780749606374
Format: Hardcover (32 pages) Publisher: Franklin Watts Ltd Published: 28 Nov 1991
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Harrap's Chemistry Mini Dictionary
by John O. E. Clark, William Hemsley
ISBN 13: 9780245605437
Format: Paperback (288 pages) Publisher: Chambers Published: 18 Feb 1994