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Daftar Isi
Prakata..................................................................... i
Daftar Isi................................................................... ii
Pengertian Seismograf............................................ 1
Alat dan bahan......................................................... 4
Langkah-langkah membuat alat sederhana
seismograf................................................................ 6
Cara Kerja Alat......................................................... 10
Penutup.................................................................... 11
Tentang Penulis....................................................... 12
ii
