/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: NazmulAlamPavel https://cdn.slidesharecdn.com/profile-photo-NazmulAlamPavel-48x48.jpg?cb=1523223328 Pavel. a student of cse in sust. e-mail: pavel_cse07_sust@yahoo.com