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This Journal publishes twice a year, in April and October.
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Street of Kaharuddin Nasution No. 113
Pekanbaru, Riau, 28284, Indonesia
Email: [email protected]
+62 82276446699
Street of Kaharuddin Nasution No. 113
Pekanbaru, Riau, 28284, Indonesia
Email: [email protected]
+62 82276446699
Published by
© 2019 by The Authors. 
This journal is licensed under a Creative Commons Attribution 4.0 International License
This journal is licensed under a Creative Commons Attribution 4.0 International License
