Sudev, N. K., K. P. Chithra, and K. A. Germina. “On Integer Additive Set-Valuations of Finite Jaco Graphs”. Journal of Informatics and Mathematical Sciences 8, no. 2 (May 24, 2016): 113–121. Accessed July 12, 2024. http://www.rgnpublications.com/journals/index.php/jims/article/view/408.