/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: TakehiroOhtani https://cdn.slidesharecdn.com/profile-photo-TakehiroOhtani-48x48.jpg?cb=1523011545 °Â±ð²ú¥³¥ó¥Æ¥ó¥ÄÖÆ×÷¤ÎÃãÇ¿ÖÐ