A. A., Sathakathulla. “Ter- Dragon Curve: A View in Cordial and Edge Cordial Labeling”. International Journal of Applied Mathematical Research 3, no. 4 (October 2, 2014): 454–457. Accessed May 4, 2024. https://www.sciencepubco.com/index.php/ijamr/article/view/3426.