پی ایچ اشارے (Urdu Wikipedia)

Analysis of information sources in references of the Wikipedia article "پی ایچ اشارے" in Urdu language version.

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archive.org

Gerold Schwarzenbach (1957)۔ Complexometric Titrations۔ ترجمہ از Harry Irving (1st English ایڈیشن)۔ London: Methuen & Co۔ ص 29–46

worldcat.org

Daniel C. Harris (2005)۔ Exploring chemical analysis (3rd ایڈیشن)۔ New York: W.H. Freeman۔ ISBN:0-7167-0571-0۔ OCLC:54073810