R. H. U. . Purba, T. M. . . Simarmata, R. W. C. . . Silaban, A. A. . . Hutagalung, and T. . . Sibarani, “The Padashon Demban Tradition of ’Delivering Betel’ in the Batak Simalungun Community: A Study of Local Wisdom”, pembahas, vol. 4, no. 5, pp. 1273–1280, Oct. 2025.