Sagar Badhe2, Rakhi Bhardwaj1, Vikram Kale2, , Prasad Morye2, Manoj Dhaygude2,. 2017. “Unwanted Message Filtering From Osn User Walls And Implementation Of Blacklist (Implementation Paper)”. International Journal of Engineering and Computer Science 4 (04). india. https://ijecs.in/index.php/ijecs/article/view/1766.