Hotden Leonardo Nainggolan et al. 2023. Pendapatan dan Tingkat Kemiskinan Petani di Kawasan Danau Toba, Kabupaten Toba Samosir, Sumatera Utara: Income and Poverty Level of Farmers in the Lake Toba Area, Toba Samosir Regency, North Sumatra. JURNAL TRITON. 14, 1 (June 2023), 127–140. DOI:https://doi.org/10.47687/jt.v14i1.348.