Sinulingga, Jekmen, Ayu Siahaan, and Faivh Hutagalung. “Upacara Martumpol Etnik Batak Toba : Kohesi Leksikal Analisis Struktural”. Jurnal Pendidikan Tambusai 8, no. 2 (June 20, 2024): 24427–24434. Accessed April 24, 2025. http://jptam.org/index.php/jptam/article/view/15792.