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https://doi.org/10.33736/jcest.v14i2
https://doi.org/10.33736/jcest.v14i1
https://doi.org/10.33736/jcest.v13i2
https://doi.org/10.33736/jcest.v13i1
https://doi.org/10.33736/jcest.v12i2
https://doi.org/10.33736/jcest.v12i1
https://doi.org/10.33736/jcest.v11i2
https://doi.org/10.33736/jcest.v11i1
https://doi.org/10.33736/jcest.v10i2
https://doi.org/10.33736/jcest.v10i1
https://doi.org/10.33736/jcest.v9i2
https://doi.org/10.33736/jcest.v9i1
https://doi.org/10.33736/jcest.v8i2
https://doi.org/10.33736/jcest.v8i1
https://doi.org/10.33736/jcest.v7i2
https://doi.org/10.33736/jcest.v7i1
https://doi.org/10.33736/jcest.v6i2