B. Mukunthan, M.Arunkrishna,. “Evolutionary Traits In Digital Spam: History ,Types, Techniques and Anti Spam Solutions”. International Journal of Advanced Science and Technology 29, no. 3s (March 11, 2020): 825 - 834. Accessed April 26, 2024. http://sersc.org/journals/index.php/IJAST/article/view/5910.