อ้างอิง ของ แก่งน้ำตกแห่งแม่น้ำไนล์

  1. ↑ Thurmond, Allison K.; Stern, Robert J.; Abdelsalam, Mohamed G.; Nielsen, Kent C.; Abdeen, Mamdouh M.; Hinz, Emily (2004). "The Nubian Swell" (PDF). Journal of African Earth Sciences. 39 (3–5): 401–407. Bibcode:2004JAfES..39..401T. doi:10.1016/j.jafrearsci.2004.07.027. ISSN 1464-343X. Archived from the original (PDF) on 25 May 2011. Retrieved 21 October 2006.
  2. ↑ Warren, John (2006). Evaporites:Sediments, Resources and Hydrocarbons. Berlin: Springer. p. 352. ISBN 3-540-26011-0.
  3. ↑ "Cataracts of the Nile". Archived from the original on 17 February 2010. Retrieved 17 February 2014.
  4. ↑ "Geography". Ancient Egypt 101.
  5. ↑ Strabo (1932). The Geography. Vol. VIII. Translated by Jones, H. L. Harvard University Press – via Bill Thayer.

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