https://www.emro.who.int/index.html
https://civilica.com/l/103322/
https://jref.ir/103322
https://journals.indexcopernicus.com/search/details?id=125452
http://independent.academia.edu/IJMPES
https://portal.issn.org/resource/ISSN/2766-6492#
https://www.linkedin.com/company/91476588/admin
https://www.cabdirect.org/globalhealth
https://scholar.google.com/citations?hl=en&user=mSvAksIAAAAJ&view_op=list_works&gmla= AJsNF5l7_sGz0PKArYW2SZJClA_jlWWpeLWILuAV
https://www.emro.who.int/information-resources/hinari/
https://www.wame.org
http://esjindex.org/search.php?id=6227
https://www.researchbib.com/view/issn/2766-6492
, Hafeez Ur Rahman 1, Shabir Ahmed 3, Sardar Azhar Mehmood 3, Yousef Abdal Jalil Fadladdin 4