L.Al-Sulaiti and E.Atwell, “ The design corpus of contemporary Arabic ”.International journal of corpus Linguistics,vol.11,pp.135-171,2006.
 Kais Dukes, Eric Atwell, and Abdul-BaqueeM.Shareef. “Syntactic annotation guidelines for the Quranic Arabic treebank”. in proceedings of the language Resources and Evaluation Conference (LREC 2010).Valletta, Malta.
 M.Alrabiah, A.Al-Salman and E.Atwell. “The design and construction of the 50 Million Words KSUCCA King Saud University-Corpus of classical Arabic”, in the second workshop on Arabic Corpus linguistics(WACL2), Monday 22d July, Lancaster University, UK,2013.
 Imam Al-Nawawi. “40 Hadith Al-Nawawi”, published by Islamic University of Medina third edition,1984.
 Alansary, Sameh, Magdy Nagi, and Noha Adly. "Building an international corpus of Arabic (ICA): Progress of compilation stage." 7th international conference on language engineering, Cairo, Egypt. 2007.
 http://www.swissinfo.ch/." is it not using the internet for eldest people made them in social isolation",july.09,2015.[online].Available: http://www.swissinfo.ch/ara/.[Accessed:April.3,2016].(G eneral Internet Site)