Analysis of information sources in references of the Wikipedia article "چندضلعی" in Persian language version.
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: Missing or empty |title=
(help); Unknown parameter |editorial=
ignored (help); Unknown parameter |fechaacceso=
ignored (|access-date=
suggested) (help); Unknown parameter |idioma=
ignored (|language=
suggested) (help); Unknown parameter |título=
ignored (|title=
suggested) (help)