/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: RizkyDoank1 https://cdn.slidesharecdn.com/profile-photo-RizkyDoank1-48x48.jpg?cb=1523275569 jgn nilai org dari latar blakang ato dri fisikx aj tpi lht ap yg di hsilkan dy dan ap yg ad d blakang kulit luar itu