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\chapter{این امتحان}
\section{حلقه}
\ptext[4]
\section{گروه}
\ptext[9]
\newpage
\section{حلقه}
\ptext[4]

\section{گروه}
\ptext[9]\cite{Arnaud1991, Bailey2010, Arvidson2013, Brodersen1975}

\ptext[4]\cite{Cho2006, Dave2006, Dewan2006, Dittman2010, Faure2008, Fratter1991, Gamal2005, Grindel1987, Guntupalli2006}

\ptext[8]\cite{Henry1988, Herve1995, Hugon1995}

\section{بخشی از این فصل}
\ptext[10-15]\cite{Iyengar1999, Janesick2001, Jhabvala2011, Joseph1996, Joseph2005}

\section{بخش بعدی}
\ptext[15-20]; \cite{KevinNg, Knight2011, Krishnaswamy1995, Kumar2013, Landsat82014, Leger2003}
\section{بخش آخر}
\ptext[20-30];

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\chapter{فصل بعدی}
\section{اولین بخش}
\ptext[1-5]\cite{Krishnaswamy1995, Kumar2013, Landsat82014, Leger2003, Lightsey2004}

\section{بخشی دیگر}\ptext[6-9]\cite{Lindahl2011, Majumder1983, Markham2008, Markham2008, Majumder1983, Arnaud1991}

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