Teacher's guide for Gases and "airs" : [a study unit] / Elementary Science Study.
By: Elementary Science Study (Education Development Center).
Contributor(s): Hale, Christopher.
Material type:
BookPublisher: St. Louis : Webster Division, McGraw-Hill, c1967Subject(s): Gases -- Study and teaching (Elementary) -- Gases -- Study and teaching (Elementary) | Air
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Foreword signed by Christopher Hale.
University Of Zambia Online Public Access Catalogue

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