4 1 20 Dedy GNR Primary Author Elisa Widayanti Primary Author mixed material 9789796102310 Jogjakarta Pustaka Widyatama 2008 Berteman_dengan_binatang_peliharaan.jpeg Adi Sudibyo Primary Author Dedy GNR Primary Author mixed material 9789796103430 Jogjakarta Pustaka Widyatama 2009 Jelajah_kekayaan_alam%2C_adat_%26_budaya_nusantara.jpeg Dedy GNR Primary Author Yulian Sujatmiko Primary Author mixed material 9796102242 Jogjakarta Pustaka Widyatama 2008 Mengenal_gunung_berapi.jpeg Serba Tahu Tentang Pengetahuan Umum Indonesia dan Dunia Gamal Kamandoko Primary Author Dedy GNR Primary Author mixed material Jogjakarta Pustaka Widyatama 2010 Ensiklopedia_pelajar_dan_umum.jpeg