7 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 Bel Pintu, Pengering Rambut, Pengisap Debu, Mesin Jahit Listrik, Alarm Kebakaran, dan VCR Yozaf Muhammad Additional Author Vinda Swasthipadma Primary Author mixed material 978979397317 Jakarta Pustaka Lebah 2007 inventions_bel_pintu.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 Earth Vinda Swasthipadma Primary Author Yozaf Muhammad Additional Author mixed material 9789793973157 Jakarta Pustaka Lebah 2007 cover_space_exploration_fun_facts_and_stories_behind_earth.jpg Book Two Earth Yozaf Muhammad Additional Author Vinda Swasthipadma Primary Author mixed material 9789793973157 Jakarta Pustaka Lebah 2007 space_exploration_earth.jpg.jpg Great Explorer Yozaf Muhammad Additional Author Vinda Swasthipadma Primary Author mixed material 978979397317 Jakarta Pustaka Lebah 2007 cover_great_people_fascinating_moments_and_stories_behind_great_explorer.jpg