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2. Karthika, S. and S. Bose, 2015. What happens next? Prediction of disastrous links in covert network, in disaster. Adv, 8: 53-60.
3. Karthika, S., S. Bose and A. annan, 2014. SpyNetMiner: An outlier analysis to tag elites in clandestine social networks. Int. J. Data Warehouse. Min., 10: 32-54.
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4. Karthika, S., A. Kiruthiga and S. Bose, 2012. Dominant features identification for covert nodes in 9/11 attack using their profile. Int. J. Network Secur. Appl., .
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5. Karthika, S. and S. Bose, 2011. A comparative study of social networking approaches in identifying the covert nodes. Int. J. Web. Serv. Comput., 2: 65-78.