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1. |
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| Volume 23, Issue 101, December 2017, Pages 524-547 |
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2. |
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| Volume 23, Issue 95, January 2017, Pages 367-386 |
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3. |
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| Volume 24, Issue 102, February 2018, Pages 423-440 |
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4. |
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| Volume 40, Issue 130, June 2021, Pages 330-348 |
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Amina al khalifa; Bashar Th. Alshukarchi |
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5. |
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| Volume 32, Issue 27, March 2016, Pages 48-66 |
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Prof. Dr. Mohamed Sadik Abd- allrazak |
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