4 1 20 Internet of Things = Internet untuk Segala Endang Nawang Novianti Translator Junhee Lee Illustrator Chorok Kim Primary Author mixed material 9786230012754 Bahagialah, Lupakan Takutmu Endang Nawang Novianti Additional Author Lee Geun Additional Author mixed material 9786020245553 Blossoming Democracy the Revolution Era = Masa Revolusi dan Perkembangan Demokrasi Jo Han Wook Additional Author Endang Nawang Novianti Additional Author mixed material 9786020208152 Bahagialah, Lupakan Takutmu Endang Nawang Novianti Translator Lee Geun Primary Author mixed material 9786020245553