SINAGA, Domini Lestari; TAMPUBOLON, Togi. ANALISIS PERUBAHAN LINGKUNGAN PANAS BUMI TINGGI RAJA KABUPATEN SIMALUNGUN. EINSTEIN (e-Journal), [S. l.], v. 8, n. 1, p. 61–66, 2020. DOI: 10.24114/einstein.v8i1.14098. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/einsten/article/view/14098. Acesso em: 13 oct. 2025.