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Copyright (c) 2026 Ratna Sholatia Harahap, Winni Liani Daulay, Sarwo Edy Wibowo, Gushairiyanto Gushairiyanto, Eko Wiyanto, Bayu Rosadi, Helmi Ediyanto, Depison Depison

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This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.