https://doi.org/10.35974/jsk.v5i2.800
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https://doi.org/10.35974/jsk.v5i2.2198
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https://doi.org/10.35974/jsk.v5i2.2208
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https://doi.org/10.35974/jsk.v5i2.2206
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https://doi.org/10.35974/jsk.v5i2.2207
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