P. P. Ulaganathan

Graceful and Skolem Graceful Labeling in Extended Duplicate Graph of Path

K. Thirusangu, P. P. Ulaganathan, B. Selvam, 2011 .

3-Equitable and Total Magic Cordial Labeling for the Extended Duplicate Graph of Splitting Graph of Path

P. P. Ulaganathan, B. Selvam, R. Avudainayaki, 2017 .

Felicitous Labeling in Extended Duplicate Graph of Twig T m

K. Thirusangu, P. P. Ulaganathan, B. Selvam, 2011 .

• 3-EQUITABLE AND 3-CORDIAL LABELING IN DUPLICATE GRAPH OF SOME GRAPHS

K. Thirusangu, P. P. Ulaganathan, P. Vijaya Kumar, 2016 .

Signed Product Cordial labeling in duplicate graphs of Bistar, Double Star and Triangular Ladder Graph

P. P. Ulaganathan, P. Vijaya kumar, B Selvam, 2016 .