4 1 30 mengenal komputer (hardware) jilid 1 Suharno Widi Nugroho Primary Author mixed material 9793351934 Jakarta Anak Soleh Pratama 2006 mengenal windows jilid 2 Suharno Widi Nugroho Primary Author mixed material 9793351942 Jakarta Anak Soleh Pratama 2006 mengenal lembar kerja (ms. excel) Suharno Widi Nugroho Primary Author mixed material 9793351950 Jakarta Aku Anak Saleh 2006 bermain pengolahan kata (ms.word) jilid 4 Suharno Widi Nugroho Primary Author mixed material 9793351969 Jakarta Aku Anak Saleh 2006