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Majid Haghparast and Keivan Navi
American Journal of Applied Sciences 5 ( 3 ): 282 - 288 , 2008
Somayeh Timarchi, Omid Kavehei and Keivan Navi
American Journal of Applied Sciences 5 ( 4 ): 312 - 319 , 2008
Journal of Applied Sciences 8 ( 6 ): 1028 - 1034 , 2008
Majid Haghparast and Keivan Navi
Journal of Applied Sciences 7 ( 24 ): 3995 - 4000 , 2007
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