Mataburu, Ilham B. “STUDI TENTANG RESIKOBANJIR DI KABUPATEN LAMONGAN PROVINSI JAWA TIMUR”. Jurnal Spatial Wahana Komunikasi Dan Informasi Geografi, vol. 12, no. 2, Sept. 2013, pp. 18-24, https://journal.unj.ac.id/unj/index.php/spatial/article/view/229.