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Journal of Applied Sciences 11 ( 12 ): 2255 - 2259 , 2011
Adnan Mukattash, Sahar Idwan, Moh`d Sami Ashhab, Murad Samhouri and Izzeddin A. Matar
Journal of Applied Sciences 11 ( 15 ): 2837 - 2842 , 2011