https://scholar.google.com/citations?hl=en&user=B96dNBMAAAAJ&view_op=list_works&citft=1&citft=2&citft=3&email_for_op=omar.adnan%40nahrainuniv.edu.iq&gmla=AP6z3OaVeREzqzIGUvoQjj9HyeRZqgUFGJhP12vnzKEgBq
https://publons.com/researcher/4037926/omar-adnan/
https://orcid.org/0000-0003-3830-1944
https://www.linkedin.com/in/omar-adnan-0b7057200