4 1 10 Tri Haryanto Primary Author Gita Arfiani Primary Author mixed material 9789792807967 Klaten Intan Parwara 2017 Detik_detik_unjian_nasional_geografi_tahun_pelajaran_2016_2017.jpg.jpg Tim widya gamma Primary Author Jaka firman Purnama Primary Author Anna Laela Faujiah Primary Author mixed material 9786023746514 Bandung CV. Yrama Widya 2017 Buku_pendalaman_materi_UN_%26_USBN_geografi.png.png Geografi Van Walleghem, Isabelle Primary Author mixed material 9789790189812 Jakarta Tiga Serangkai 2007 Ensiklopedia_pengetahuan_Geografijpg.jpg.jpg Colin Barlow Additional Author Joep Bijlmer Additional Author Anne Booth Additional Author mixed material 9798926153 Jakarta Buku Antar Bangsa 2002