/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: NastitisariDewi https://cdn.slidesharecdn.com/profile-photo-NastitisariDewi-48x48.jpg?cb=1673333992 Teaching Science Physics Microsoft word Power point Microsoft excel http://nastitisaridewi@yahoo.co.id