World health organisation, w. h. o. (2021). Guide for developing national patient safety policy and strategic plan. World health organisation.
Chicago-viite (17. p.)World health organisation, world health organisation. Guide for Developing National Patient Safety Policy and Strategic Plan. World health organisation, 2021.
MLA-viite (8. p.)World health organisation, world health organisation. Guide for Developing National Patient Safety Policy and Strategic Plan. World health organisation, 2021.
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