A note on strongly multiplicative graphs. - Chandrashekar Adiga; H. N. Ramaswamy; D. D. Somashekara (Discuss. Math. Graph Theory, 2004)

On the Energy of Unitary Cayley Graphs. - H. N. Ramaswamy; C. R. Veena (Electron. J. Comb., 2009)

On the locating matrix of a graph and its spectral analysis. - H. N. Ramaswamy; Anwar Alwardi; N. Ravi Kumar (Comput. Sci. J. Moldova, 2017)