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Amr Hamouda, Suzan El-Gharabawy 
https://doi.org/10.18280/eesrj.060102
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Mwanret G. Daful, Cyril K. Ezeamaka, Moses Ogbole, Hosea Sani, Queen O. Sadiq
https://doi.org/10.18280/eesrj.060103
Page 19-23

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Raja R. Yadav, Joy Roy
https://doi.org/10.18280/eesrj.060105
Page 35-42

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Zhifang Zhou, Jinjin Li, Wenting Zhao, Huixiang Zeng
https://doi.org/10.18280/eesrj.060106
Page 43-50

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