/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: KazuyukiHashimoto https://cdn.slidesharecdn.com/profile-photo-KazuyukiHashimoto-48x48.jpg?cb=1557055728 ¶«¾©¶¼³öÉí