13 1 10 Pesawat Ulir Gravitasi, Peternakan Semut, Sepak Bola Magnet, Pembangkit Listrik Tenaga Jeruk, Labirin Kentang, Mobil Mesin Karet Yozaf Muhammad Additional Author Eko Praptanto Primary Author Erwin Skripsiadi Additional Author Vinda Swasthipadma Additional Author mixed material 9789793973167 Jakarta Pustaka Lebah 2007 amazing_experiments_pesawat_ulir_gravitasi.jpg.jpg Yozaf Muhammad Additional Author Eko Praptanto Primary Author Erwin Skripsiadi Additional Author mixed material 9789793973167 Jakarta Pustaka Lebah 2006 9789793973167.jpg.jpg Amazing Facts and How It Works Book Two Yozaf Muhammad Additional Author Eko Praptanto Primary Author Erwin Skripsiadi Additional Author mixed material 9789793973197 Jakarta Pustaka Lebah 2006 cover_everyday_life_inventions_amazing_facts_and_how_it_works_book_two.jpg Blender, Oven Microwave, Walkman, Lampu Pijar, Kamera, Mesin Cuci Yozaf Muhammad Additional Author Eko Praptanto Primary Author Erwin Skripsiadi Additional Author mixed material 9789793973135 Jakarta Pustaka Lebah 2007 cover_everyday_life_inventions_blender_oven_microwave_walkman_lampu_pijar_kamera_mesin_cuci.jpg Amazing Facts and How It Works Book One Yozaf Muhammad Additional Author Eko Praptanto Primary Author Erwin Skripsiadi Additional Author mixed material 9789793973137 Jakarta Pustaka Lebah 2005 invention_book_one.jpg.jpg Computer, Telephone, Clock, Refrigerator, Television, Water Closet Eko Praptanto Primary Author Yozaf Muhammad Additional Author Erwin Skripsiadi Additional Author mixed material 9789793973137 Jakarta Pustaka Lebah 2005 inventions_computer.jpg.jpg Digestive System Yozaf Muhammad Additional Author Eko Praptanto Primary Author Erwin Skripsiadi Additional Author Vinda Swasthipadma Additional Author mixed material 9789793973319 Jakarta Pustaka Lebah 2007 cover_my_human_body_amazing_facts_and_how_the_digestive_system_work_digestive_system.jpg Book Two Eko Praptanto Primary Author Vinda Swasthipadma Additional Author Yozaf Muhammad Additional Author Erwin Skripsiadi Additional Author mixed material 9789793973319 Jakarta Pustaka Lebah 2007 book_two_digestive_system_works.jpg.jpg Human Sense Yozaf Muhammad Additional Author Eko Praptanto Primary Author Erwin Skripsiadi Additional Author mixed material 9789793973128 Jakarta Pustaka Lebah 2005 Human_Senses.jpg.jpg Book One Solar System Yozaf Muhammad Additional Author Eko Praptanto Primary Author Erwin Skripsiadi Additional Author mixed material 9789793973135 Jakarta Pustaka Lebah 2006 space_exploration_book_one.jpg.jpg