1. Abd Allah, H. (2017), retrieved from (〈https://www.sis.gov.eg/Story/132731/〉).
2. Abdel Alim, A. (2017), retrieved from ( 〈http://assafirarabi.com/ar/12466/2017/04/05〉).
3. Abdel Nasser, M. (2016), retrieved from (〈https://www.elbalad.news/2373941〉).
4. Abdelhadi, S. (2016), retrieved from (〈https://www.elnabaa.net/609810〉).
5. Impact of the socio-economic situation post Egyptian revolution (2011);Abdou;Int. J. Serv. Sci., Manag. Eng.,2013