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Publisher : Pena Ilmuwan - Yayasan Anak Bangsa Berjaya
Jalan Menanggal Indah VI/31 Surabaya, Indonesia
e-mail : janitra@penailmuwan.id
website: penailmuwan.id
Copyright: © by the authors. Submitted for possible open access publication under the terms and conditions
of the Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license Creative Commons Attribution-ShareAlike 4.0 International License.
