Al Awaidy, S ; Althaqafi, A ; Dbaibo, G... http://eprints.iums.ac.ir/6385/1/A%20snapshot%20of%20influenza%20surveillance,%20vaccine%20recommendations,%20and%20vaccine%20access,%20drivers,%20and%20barriers%20in%20selected%20Middle%20Eastern%20and%20North%20African%20countries.pdf.
,
2018