6 1 20 Simangunsong, Wilson Primary Author mixed material 9797050882 Jakarta Timur Gematama 2016 cover_pks-matematika-peminatan-kelas-x-sma-ma-20241108111742.jpeg Simangunsong, Wilson Primary Author mixed material 9797050815 Jakarta Timur Gematama 2015 cover_pks-matematika-wajib-kelas-xii-sma-ma-20241108121445.jpeg Simangunsong, Wilson Primary Author mixed material 979705084X Jakarta Timur Gematama 2016 cover_pks-matematika-wajib-kelas-xi-sma-ma-20241107083727.jpeg Simangunsong, Wilson Primary Author mixed material 9797050475 Jakarta Timur Gematama 2006 cover_matematika-wajib-kelas-x-sma-ma-edisi-revisi-20241113152112.jpeg Simangunsong, Wilson Primary Author mixed material Jakarta Gematama 2019 cover_pks-matematika-wajib-kelas-x-sma-ma-kunci-jawaban-20260123083612.jpeg Simangunsong, Wilson Primary Author mixed material Jakarta Gematama 2019 cover_matematika-wajib-kelas-x-sma-ma-20241106082835.jpeg