Thirusangu, K, and R Ezhilarasi. “On Adjacent Vertex Distinguishing Total Coloring of Quadrilateral Snake”. JOURNAL OF ADVANCES IN MATHEMATICS 13, no. 1 (February 22, 2017): 7030–704`1. Accessed May 17, 2024. https://www.rajpub.com/index.php/jam/article/view/5745.