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1. |
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| Volume 15, Issue 4, December 2020, Pages 19-41 |
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Issa Zainalabdin Hassan; Sufian mohammed mohammed Alezzi |
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2. |
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| Volume 25, Issue 1, August 2007, Pages 1-16 |
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A.H.Hussain and F.A.Ali |
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3. |
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| Volume 9, Issue 4, December 2013, Pages 17-20 |
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Kh. Kabita et al |
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4. |
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| Volume 24, Issue 9, December 2016, Pages 2519-2526 |
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Adil M. Dhumad; Jasim M.S Al- Shawi |
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5. |
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| Volume 32, Issue 1, April 2006, Pages 55-65 |
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A.H.Hussain |
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