Co prime path decomposition number of a graph. Nagarajan, K.; Nagarajan, A. — 2011 Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică
Super mean number of a graph A. Nagarajan; R. Vasuki; S. Arockiaraj — 2012 Kragujevac Journal of Mathematics
Odd mean labeling of the graphs P a , b , P a b and P 2 a b R. Vasuki; A. Nagarajan — 2012 Kragujevac Journal of Mathematics