/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: goodocy https://cdn.slidesharecdn.com/profile-photo-goodocy-48x48.jpg?cb=1523523451 안녕하세요 ã…Žã…Žã…Ž