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- 17:42, 7 October 2011 (diff | hist) . . (+5) . . IJCOPI 2012 (current)
- 18:04, 26 July 2011 (diff | hist) . . (+2,586) . . N IJCOPI 2012 (IJCOPI is an international scientific electronic journal which publishes papers form all areas related to Informatics and the Combinatorial Optimization Problems.)