/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: nasromadrid148 https://cdn.slidesharecdn.com/profile-photo-nasromadrid148-48x48.jpg?cb=1523491469 طالب جامعي .علوم Ùˆ تقنيات .سطيÙ�