Ponraj, R. and Prabhu, S. (2024) “PAIR MEAN CORDIAL LABELING OF HURDLE, KEY, LOTUS, AND NECKLACE GRAPHS”, BAREKENG: Jurnal Ilmu Matematika dan Terapan, 18(4), pp. 2795-2804. doi: 10.30598/barekengvol18iss4pp2795-2804.