Sianipar, Taruli, and Kamarlin Pinem. “STRATEGI BERTAHAN HIDUP KELUARGA NELAYAN DANAU TOBA DI DESA LUMBAN BINANGA KECAMATAN LAGUBOTI KABUPATEN TOBA SAMOSIR”. Tunas Geografi 6, no. 2 (December 1, 2017): 159–173. Accessed July 5, 2025. https://jurnal.unimed.ac.id/2012/index.php/tgeo/article/view/8672.