11 1 20 Yeong-Seon Cho Primary Author Bambang Sudiyono Translator Daniel Eko Primary Author mixed material 9789792766295 Jakarta Elex Media Komputindo 2010 why+happy_science2.jpeg Yeong-Seon Cho Primary Author Bambang Sudiyono Translator Daniel Eko Primary Author mixed material 9789792766288 Jakarta Elex Media Komputindo 2010 why+happy_science1.jpeg Mengapa Kita Harus Tahu Gua? Jae-Cheol Hong Primary Author Bambang Sudiyono Translator mixed material 9789792779288 Jakarta Elex Media Komputindo 2010 Survaival_10_cave.jpeg Lee Kwang Woong Primary Author Bambang Sudiyono Translator Lee Hye Jo Illustrator mixed material 9789792778632 Jakarta Elex Media Komputindo 2010 lee_weather-cuaca.jpg Citra Primary Author Lee Hang-Seon Primary Author Bambang Sudiyono Translator mixed material 9789792756081 Jakarta Elex Media Komputindo 2009 Why_dinosaurus.jpg Jae-Cheol Hong Primary Author Bambang Sudiyono Translator Daniel Eko Primary Author mixed material 9789792757828 Jakarta Elex Media Komputindo 2009 Survival_6.jpeg Jae-Cheol Hong Primary Author Bambang Sudiyono Translator Daniel Eko Primary Author mixed material 9789792760545 Jakarta Elex Media Komputindo 2009 Survival_7.jpeg Jae-Cheol Hong Primary Author Bambang Sudiyono Translator Daniel Eko Primary Author mixed material 9789792757811 Jakarta Elex Media Komputindo 2009 Survival_5.jpeg Jae-Cheol Hong Primary Author Bambang Sudiyono Translator mixed material 9789792779295 Jakarta Elex Media Komputindo 2010 Survival_9_antarctic.jpeg Bambang Sudiyono Translator Kim Nam-Gil Primary Author Irene Christine Primary Author mixed material 9789792773613 Jakarta Elex Media Komputindo 2010 why+happy_science4.jpeg Lee Kwang Woong Primary Author Bambang Sudiyono Translator mixed material 9789792778649 Jakarta Elex Media Komputindo 2010 why+nuklir_%26_energi.jpeg