Acknowledgement
The authors are highly thankful to the anonymous referees for the kind comments and fruitful suggestions on the first draft of this paper.
References
- J. Clark and D.A. Holton, A First Look at Graph Theory, World Scientific, London, 1991.
- J.A. Gallian, A Dynamic Survey of Graph Labeling, The Electronics Journal of Combinatorics 26 (2023), #DS6.
- I. Cahit, Cordial Graphs: A weaker version of graceful and harmonious Graphs, Ars Combinatoria 23 (1987), 201-207.
- M. Sundaram, R. Ponraj and S. Somasundram, Prime cordial labeling of graphs, J. Indian Acad. Math. 27 (2005), 373-390.
- R. Varatharajan, S. Navanaeethakrishnan and K. Nagarajan, Divisor Cordial Graphs, Int. J. of Mathematics and Combinatorics 4 (2011), 15-25.
- M. Sundaram, R. Ponraj and S. Somasundram, Product cordial labeling of graphs, Bull. Pure and Appl. Sci. (Math. & Stat.) 23 (2004), 155-163.
- S.K. Vaidya and C.M. Barasara, Edge product cordial labeling of graphs, J. Math.Comput. Science 2 (2012), 1436-1450.