Relational operator (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Relational operator" in English language version.

refsWebsite

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4,643^rd place

2,973^rd place

espacenet.com

Patent application: On May 14, 2003, US application 20,040,230,959 "IS NOT OPERATOR" was filed for the ISNOT operator by employees of Microsoft. This patent was granted on November 18, 2004.

Contributors. "Comparing Objects". PHP Manual. PHP Group. Retrieved June 29, 2014. {{cite web}}: |author= has generic name (help); External link in |author= (help)
"PHP: Comparison Operators - Manual". Retrieved July 31, 2008.