/ http://www.slideshare.net/images/logo.gif / 狠狠撸Share feed for 狠狠撸shows by User: programm https://cdn.slidesharecdn.com/profile-photo-programm-48x48.jpg?cb=1523002657 gagal membuat persiapan berarti mempersiapkan kegagalan by Tarmizi Yusuf