(Naci cangul and Ranjini. P. S) On the Zagreb Indices of the Line Graphs of the Subdivision Graphs, Applied Mathematics and computation 218(3): 699-702 (2011)USA. 1.54
(M. A. Rajan and Ranjini. P. S, Phani Raju) On The Shultz Index of The Subdivision Graphs Adv. Stud. Contemp. Math., Kyungshang 21, No. 3, 279-290 (2011) MR2664369.
(M. A. Rajan and Ranjini. P.S) The Wiener Polynomial for the Subdivision Graphs, Chineese Journal of Engineering mathematics, June 28 (3)(2011)3-11.
(M. A. Rajan and Ranjini. P.S) On Series-Edge Graph Transformation, Proc. Jangjeon Math. Soc., 15(1)(2012), (South Korea) ISBN:89-87809-15-3, ISSN:1598-7264.
(M. A. Rajan, I. Naci Cangul)On New Euler-Ramanujan-' Graphs (communicated).
(M. A. Rajan and Ranjini. P.S) On New Vertex Naturally Labeled Graphs, Int. e-Journal of Mathematics and Engineering, (IeJMAE), 2(1)(2011), 992-999 ISSN:0976-1411.
