Bumi Di Aphelion by Syariful Hadi on Scribd
Latihan Ujian by Syariful Hadi on Scribd
Bumi Dan Bulan by Syariful Hadi on Scribd
Anggota Tata Surya1 by Syariful Hadi on Scribd
Kemagnetan by Syariful Hadi on Scribd
Elektromagnetik.ppt by Syariful Hadi on Scribd