On a Prime Labeling Conjecture. - M. Sundaram; R. Ponraj; S. Somasundaram (Ars Comb., 2006)

Super Mean Labeling Of Graphs. - D. Ramya; R. Ponraj; P. Jeyanthi (Ars Comb., 2013)

Radio mean labeling of a graph. - R. Ponraj; S. Sathish Narayanan; Rukhmoni Kala (AKCE Int. J. Graphs Comb., 2015)

Detecting near-duplicate images using segmented minhash algorithm. - S. Thaiyalnayaki; Sasikala Jayaraman; R. Ponraj (Int. J. Adv. Intell. Paradigms, 2019)

(4 )-Total Prime Cordial Labeling of Some Derived Graphs. - R. Ponraj; J. Maruthamani (Ars Comb., 2024)

Some results on 4- remainder cordial labeling of graphs. - R. Ponraj; K. Annathurai; Rukhmoni Kala (Ars Comb., 2025)

Pair mean cordial labeling of udukkai, octopus, drum and fire cracker graphs. - R. Ponraj; S. Prabhu (Discret. Math. Algorithms Appl., 2025)