Analysis of information sources in references of the Wikipedia article "CAPTCHA" in Malay language version.
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value (bantuan). USPTO. 2008-04-21. Dicapai pada 2008-12-21. |Url=
ignored (|url=
suggested) (bantuan); Cite has empty unknown parameter: |coauthors=
(bantuan); |access-date=
requires |url=
(bantuan) |url=
value (bantuan). USPTO. 2008-04-21. Dicapai pada 2008-12-21.