Simbolon, Ferdy Berger, dkk. “Analisis Kebutuhan Sarana Dan Prasarana Pemadam Kebakaran Di Kabupaten Samosir”. Jurnal Regional Planning, vol. 6, no. 2, Agustus 2024, hlm. 77 – 84, https://doi.org/10.36985/8gy3z150.