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Asian Journal of Information Technology 5 ( 7 ): 732 - 741 , 2006
Wanli Chen and Zhe Qin
Asian Journal of Information Technology 5 ( 7 ): 742 - 749 , 2006
Wanli Chen, Longbing Cao and Zhe Qin
Asian Journal of Information Technology 5 ( 10 ): 1142 - 1153 , 2006