แมงกานีสไดออกไซด์ (Thai Wikipedia)

Analysis of information sources in references of the Wikipedia article "แมงกานีสไดออกไซด์" in Thai language version.

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1books.google.com

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archive.org

Zumdahl, Steven S. (2009). Chemical Principles 6th Ed. Houghton Mifflin Company. p. A22. ISBN 0-618-94690-X.

books.google.com

Greenwood, Norman N.; Earnshaw, Alan (1984). Chemistry of the Elements. Oxford: Pergamon Press. pp. 1218–20. ISBN 978-0-08-022057-4..