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Information Technology Journal 12 ( 21 ): 6062 - 6067 , 2013
Chen Cheng and Wu Hua-rui
Information Technology Journal 12 ( 21 ): 6330 - 6334 , 2013
Li Qing-xue and Wu Hua-rui
Information Technology Journal 12 ( 21 ): 6363 - 6366 , 2013