Tim, .(2017).Belitung Nursing Journal : Volume 3 Issue 4: July - August 2017 (Volume 3 Issue 4: July - August 2017).Belitung:Belitung Raya Foundation.
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Tim, ."Belitung Nursing Journal : Volume 3 Issue 4: July - August 2017".Volume 3 Issue 4: July - August 2017Belitung:Belitung Raya Foundation,2017.Text.