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Copyright (c) 2020 Muhammad Nasir

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Sainstek: Jurnal Sains dan Teknologi
ISSN 2085-8019 (print) | 2580-278x (online)
Published by Institut Agama Islam Negeri Batusangkar
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.