/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: abdialfatih https://cdn.slidesharecdn.com/profile-photo-abdialfatih-48x48.jpg?cb=1678916218 Studi pada Program Doktor Ilmu Pendidikan Kons. Pend. IPA/Kimia Universitas Negeri Yogyakarta