KASIH, F. E.; SIANTURI, G.; SARAGIH, A. Y. S.; SITORUS, R. A. S.; SINULINGGA, J. Semiotics in the Martumpol Traditional Ceremony in the Toba Batak. Jurnal Pembelajaran Bahasa dan Sastra, [S. l.], v. 5, n. 2, p. 1627–1636, 2026. DOI: 10.55909/jpbs.v5i2.1322. Disponível em: https://pembahas.dialeks.id/index.php/jp/article/view/1322. Acesso em: 31 may. 2026.