بولي أوكسي الميثيلين (Arabic Wikipedia)

Analysis of information sources in references of the Wikipedia article "بولي أوكسي الميثيلين" in Arabic language version.

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books.google.com

  • Joseph P. Kennedy؛ Wayne H. Watkins (31 يوليو 2012). How to Invent and Protect Your Invention: A Guide to Patents for Scientists and Engineers. John Wiley & Sons. ص. 194–. ISBN:978-1-118-41009-7. مؤرشف من الأصل في 2020-06-20.

web.archive.org

  • Joseph P. Kennedy؛ Wayne H. Watkins (31 يوليو 2012). How to Invent and Protect Your Invention: A Guide to Patents for Scientists and Engineers. John Wiley & Sons. ص. 194–. ISBN:978-1-118-41009-7. مؤرشف من الأصل في 2020-06-20.