V.  Murlidhar, Menezes, B., Sathe, M., and Murlidhar, G., ?A clustering based forecast engine for retail sales?, Journal of Digital Information Management, vol. 10, no. 4, pp. 219 - 229, 2012.

K. T.  Reddy, Shashi, M., and Reddy, L. P., ?Hybrid clustering approach for term partitioning in document data sets?, Journal of Digital Information Management, vol. 6, no. 3, pp. 272 - 277, 2008.