12 1 10 Sinar Matahari Joy Palmer Primary Author A.Patricia Sechi Editor mixed material 9798087887 New York Grolier International Inc 2007 Gempa Bumi Keith Lye Primary Author A.Patricia Sechi Editor mixed material 9798087658 New York Grolier International Inc 2007 Gunung Keith Lye Primary Author A.Patricia Sechi Editor mixed material 9798087623 New York Grolier International Inc 2007 Samudera Joy Palmer Primary Author A.Patricia Sechi Editor mixed material 9798087720 New York Grolier International Inc 2007 Batu dan Mineral Keith Lye Primary Author A.Patricia Sechi Editor mixed material 9798087631 New York Grolier International Inc 2007 Gunung Berapi Keith Lye Primary Author A.Patricia Sechi Editor mixed material 979808764X New York Grolier International Inc 2007 Limbah dan Daur Ulang Janine Amos Primary Author A.Patricia Sechi Editor mixed material 9798087763 New York Grolier International Inc 2007 Pangan Dunia Janine Amos Primary Author A.Patricia Sechi Editor mixed material 9798087771 New York Grolier International Inc 2007 Angin Joy Palmer Primary Author A.Patricia Sechi Editor mixed material 9798087879 New York Grolier International Inc 2007 Daerah Kutub Joy Palmer Primary Author A.Patricia Sechi Editor mixed material 9798087739 New York Grolier International Inc 2007