https://scholar.google.com/citations?view_op=list_works&hl=ar&user=LsAE7GcAAAAJ
https://www.researchgate.net/profile/Hesham-Zakaria-3/research
https://id.elsevier.com/settings/redirect?code=A11iSqSvMEzC7N-PwXW3SFKVO28mp9d5iF5T2B1s#
https://id.elsevier.com/settings/redirect?code=A11iSqSvMEzC7N-PwXW3SFKVO28mp9d5iF5T2B1s#