OCTAVIANNA, Yessy; SIBARANI, Robert; SITUMORANG, Hamzon; HASIBUAN, Nam Syahot. Tonggo and Martonggotonggo in the Traditional Ceremony of the Toba Batak Community. KnE Social Sciences, [S. l.], v. 3, n. 19, p. 829–839, 2019. DOI: 10.18502/kss.v3i19.4908. Disponível em: https://knepublishing.com/index.php/KnE-Social/article/view/4908. Acesso em: 24 sep. 2025.