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APA Citation
Kumar, S. S., Inbarani, H. H., Azar, A. T., & Hassanien, A. A. (2015). rough set-based meta-heuristic clustering approach for social e-learning systems. International journal of intelligent engineering informatics, 3, 23–41. http://access.bl.uk/ark:/81055/vdc_100068607176.0x000009