Table of Contents
Articles
Nani Barorah Nasution, Sami Sarah Samosir
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1-7
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Micha Felayati Silalahi, naisa naisa
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8-14
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Nurul Azmi Saragih
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15-18
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Rafael Lisinus Ginting, Tiur Elena Purba
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19-25
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Peni Okto Randi
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26-38
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Setyo Lelono
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39-54
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