G, Jothilakshmi. “ON HARMONIOUS COLORING OF C(Hn) AND C (Gn)”. Journal of Global Research in Mathematical Archives(JGRMA) 2, no. 5 (February 3, 2015): 38–41. Accessed August 22, 2025. https://www.jgrma.com/index.php/jgrma/article/view/210.