E.C.Combe, , Organization, W., H.(1997).Quality Assurance of Pharmaceuticals : A Compendium of guidelines and Related Materials Volume 1 .Ganeva:World Health Organization.
Gaya MLA
E.C.Combe, , Organization, W., H..Quality Assurance of Pharmaceuticals : A Compendium of guidelines and Related Materials Volume 1.Ganeva:World Health Organization,1997.Text.