Youyun Li, Ziquan Xiang, Xuyu Xiang and Song Wang
Information Technology Journal 9 ( 8 ): 1647 - 1652 , 2010
Song Wang
Information Technology Journal 12 ( 15 ): 3075 - 3081 , 2013
Journal of Applied Sciences 13 ( 11 ): 2033 - 2038 , 2013