Wang, G., H. Wang, X. Tao, J. Zhang, and G. Zhu. “Finding a Weighted Positive In Uence Dominating Set in E-Learning Social Networks”. INTERNATIONAL JOURNAL OF COMPUTERS &Amp; TECHNOLOGY, vol. 10, no. 10, Sept. 2013, pp. 2136-45, doi:10.24297/ijct.v10i10.1196.