A note on integral sum crowns. - G. Suresh Singh; G. Santhosh (Ars Comb., 2003)

A Theorem on Sum Graphs. - G. Santhosh; G. Suresh Singh (Electron. Notes Discret. Math., 2003)

On Weak Magic Graphs. - G. Santhosh (Ars Comb., 2009)