/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: SatabdiMukhopadhyay https://cdn.slidesharecdn.com/profile-photo-SatabdiMukhopadhyay-48x48.jpg?cb=1523022979 what i hear i forget........what i see i remember......what i do i understand......