On permutation graphs

Edge even graceful labeling of some graphs

ISOMETRIC FOLDING OF FINITE TYPE

ON GRAPH FOLDING AND MOBILE RADIO FREQUENCY ASSIGNMENT

Super Edge Magic Harmonious labeling for Certain Graphs

Two Intersection Graphs

New Algorithm for Chromatic Number of Graphs and their Applications

New algorithm for calculating chromatic index of graphs and its applications

Cellular and simplicial foldings of surfaces

Further results on edge even graceful labeling of the join of two graphs