Mat Deris, Mustafa ; A. Hamid, Mariam ; Ibrahim, Noraini.. http://repository.uin-suska.ac.id/71714/1/Data%20Reduction%20using%20Similarity%20Class%20and%20Enhanced%20Tolerance%20Relation%20for%20Complete%20and%20Incomplete%20Information%20Systems.pdf.
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2023