7 1 20 Kekuatan Magnet Sumadia Editor Dicky Sutadi Translator Niger Alexander, dkk Illustrator mixed material Jakarta Tira Pustaka 1996 WhatsApp_Image_2022-11-23_at_09.02.55.jpeg.jpeg Planet Bumi Sumadia Editor Dicky Sutadi Translator mixed material Jakarta Tira Pustaka 1996 WhatsApp_Image_2022-11-22_at_10.31.02.jpeg.jpeg Serba-Serbi Air Sumadia Editor Martin Aitchison, dkk Illustrator Dicky Sutadi' Translator mixed material Jakarta Tira Pustaka 1992 WhatsApp_Image_2022-11-22_at_10.29.31.jpeg.jpeg Mengenal Listrik Sumadia Editor Dicky Sutadi Translator Maggie Brand, dkk Illustrator mixed material Jakarta Tira Pustaka 1992 WhatsApp_Image_2022-11-22_at_10.28.28.jpeg.jpeg Menggunakan Energi Sumadia Editor Dicky Sutadi Translator Maggie Brand, dkk Illustrator mixed material Jakarta Tira Pustaka 1992 WhatsApp_Image_2022-11-22_at_10.27.42.jpeg.jpeg Abad Komputer Sumadia Editor Dicky Sutadi Translator Hemesh Alles, dkk Illustrator mixed material Jakarta Tira Pustaka 1992 WhatsApp_Image_2022-11-22_at_10.26.54.jpeg.jpeg Mengungkap Rahasia Gas Sumadia Editor Dicky Sutadi Translator Martin Aitchison, dkk Illustrator mixed material Jakarta Tira Pustaka 1992 WhatsApp_Image_2022-11-22_at_10.24.24.jpeg.jpeg