/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: abedinbd https://cdn.slidesharecdn.com/profile-photo-abedinbd-48x48.jpg?cb=1728487363 Loading... ██████████████] 99% Simple..... ██████████████] 99%