Indikator universal (Indonesian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Indikator universal" in Indonesian language version.

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1web.archive.org

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doi.org

For a discussion of these experiments, as well as recipes for Yamada and other universal indicators, see Foster, L. S.; Gruntfest, I. J. (1937). "Demonstration experiments using universal indicators". Journal of Chemical Education. 14 (6): 274. doi:10.1021/ed014p274.

google.co.th

books.google.co.th

Walker, Denise (2007). Acids and alkalis (Edisi 1). London: Evans. hlm. 13. ISBN 0-237-53002-3.

iscid.org

"Universal Indicator Diarsipkan 2006-09-25 di Wayback Machine.". ISCID Encyclopedia of Science and Philosophy.

web.archive.org

"Universal Indicator Diarsipkan 2006-09-25 di Wayback Machine.". ISCID Encyclopedia of Science and Philosophy.