PUTRI, Lasma Elfrida; HERMANDRA, Hermandra; MANGATUR SINAGA. Umpasa pada Ulaon Sadari Pernikahan Batak Toba Analisis Semantik Kognitif. Journal of Education Research, [S. l.], v. 4, n. 4, p. 2091–2097, 2023. DOI: 10.37985/jer.v4i4.584. Disponível em: https://mail.jer.or.id/index.php/jer/article/view/584. Acesso em: 23 aug. 2025.