Permadi, M. Galih, et al. “Identification of Landslide Risk in the City of Bogor: Identifikasi Daerah Risiko Bencana Longsor Di Kota Bogor”. Jurnal Ilmu Tanah Dan Lingkungan, vol. 20, no. 2, Oct. 2018, pp. 86-94, https://doi.org/10.29244/jitl.20.2.86-94.