6 1 10 Ensiklopedia matematika Janu Ismadi Primary Author Negoro, St Primary Author Harahap, B. Additional Author mixed material 9794501336 JAKARTA Ghalia Indonesia 2009 Ensiklopedia Matematika Anak Mari Berbicara Matematika Bangun Datar Janu Ismadi Primary Author mixed material 9786028179034 Jakarta Selatan Rizky Grafis 2008 Mengungkap Masa Lalu Dengan Matematika Janu Ismadi Additional Author mixed material 9786028123419 JAKARTA Nobel Edumedia 2008 Ensiklopedia Sahabatku Janu Ismadi Additional Author mixed material 9789793644271 JAKARTA Ricardo 2008 Ensiklopedia Sahabatku Janu Ismadi Additional Author mixed material 9789793644271 JAKARTA Ricardo 2008 Mengungkap Masa Lalu Dengan Matematika Janu Ismadi Additional Author mixed material 9786028123419 JAKARTA Nobel Edumedia 2008