Mustafa, R., M. J. Hossain, and T. Chowdhury. “A Better Way for Finding the Optimal Number of Nodes in a Distributed Database Management System”. Daffodil International University Journal of Science and Technology, vol. 4, no. 2, Feb. 2010, pp. 19-22, doi:10.3329/diujst.v4i2.4362.