Youssef, Maamoun May 24, 2006 National Commission on Terrorists Attacks upon the United States
Smith, Aaron November 3, 2014 American Society of Civil Engineers ASCE

أحداث 11 سبتمبر 2001

New York: Taylor and Francis, Inc.

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أحداث 11 سبتمبر 2001
Schrader, Esther June 18, 2004
هجمات 11 سبتمبر
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هجمات 11 سبتمبر
Rajaratnam School of International Studies
Tertitskiy, Fyodor 11 September 2018 Whitaker, Brian October 22, 2001
Journal for the Psychoanalysis of Culture and Society al-Qaeda leader Osama bin Laden appeared in a new message aired on an Arabic TV station Friday night, for the first time claiming direct responsibility for the 2001 attacks against the United States

«واشنطن كابول».. ونهاية حقبة ١١ سبتمبر

National Institute of Standards and Technology NIST.

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خاطفو طائرات هجمات 11 سبتمبر
— August 2000 cockpit attack• "Al Qaeda, September 11, 2001"
احداث 11 سبتمبر القصه الكامله(1)
Al-Qaeda leader Osama bin Laden appeared in a new message aired on an Arabic TV station Friday night, for the first time claiming direct responsibility for the 2001 attacks against the United States
هجمات 11 سبتمبر
Thayil, Jeet October 12, 2001
Pew Research Center's Global Attitudes Project National Commission on Terrorist Attacks Upon the United States
68th IFLA Council and Conference Reveling in the details of the fatal attacks, bin Laden brags in Arabic that he knew about them beforehand and says the destruction went beyond his hopes

من يقف وراء أحداث 11 سبتمبر؟ ومن المدبر الحقيقي لها؟, بقلم دايفيد راي غريفين

News, ABC May 2, 2011.

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«زي النهارده».. هجمات 11 سبتمبر 2001
Pew Research Center's Global Attitudes Project
منفذي هجمات ١١ سبتمبر, هجمات 11 سبتمبر وكذلك باسم هجمات 11 سبتمبر 2001،
Naughton, Philippe June 1, 2006
خاطفو طائرات هجمات 11 سبتمبر
Globalization and WMD Proliferation: Terrorism, Transnational Networks and International Security