Jeya Daisey, K., R. Santrin Sabibha, P. Jeyanthi, and Maged Z. Youssef. “K-Product Cordial Behaviour of Union of Graphs”. Journal of the Indonesian Mathematical Society 28, no. 1 (March 13, 2022): 1–7. Accessed April 18, 2024. https://jims-a.org/index.php/jimsa/article/view/1025.