Twin edge colorings of certain square graphs and product graphs. - R. Rajarajachozhan; R. Sampathkumar (Electron. J. Graph Theory Appl., 2016)

Modular coloring of the Cartesian products Km□Kn, Km□Cn, and Km□Pn. - R. Rajarajachozhan; R. Sampathkumar (Discret. Math. Algorithms Appl., 2017)

Eulerian Cycle Decomposition Conjecture for the line graph of complete graphs. - R. Rajarajachozhan; R. Sampathkumar (AKCE Int. J. Graphs Comb., 2019)