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"On lower and upper intension order relations by different cover concepts."
M. H. Ghanim, Heba I. Mustafa, S. Abd El Aziz (2011)
- M. H. Ghanim, Heba I. Mustafa, S. Abd El Aziz:
On lower and upper intension order relations by different cover concepts. Inf. Sci. 181(17): 3723-3734 (2011)
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