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Universitas Islam Negeri Sunan Ampel
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Unknown Affiliation
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IKIP Siliwangi
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Unknown Affiliation
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Universitas Sebelas Maret
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Unknown Affiliation
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Ilmu Kesehatan Masyarakat, Institut Kesehatan Helvetia, Medan
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Universitas Muhammadiyah Banjarmasin
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Unknown Affiliation
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Unknown Affiliation
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