SINAGA, Enjelina. ANALISIS NILAI BUDAYA SASTRA LISAN BATAK TOBA œBATU SIGADAP. JURNAL SASTRA INDONESIA (SASINDO), [S. l.], v. 1, n. 2, 2013. DOI: 10.24114/sasindo.v1i2.416. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/sasindo/article/view/416. Acesso em: 5 sep. 2025.