SIMANGUNSONG, Sonya; LUMBANTORUAN, Walbiden. Keadaan Permukiman Penduduk di Kelurahan Tigaraja Kecamatan Girsang Si Pangan Bolon Kabupaten Simalungun. JURNAL GEOGRAFI, [S. l.], v. 3, n. 2, p. 31–42, 2011. DOI: 10.24114/jg.v3i2.7357. Disponível em: http://103.242.233.34/index.php/geo/article/view/7357. Acesso em: 20 dec. 2024.