Ani Siregar, and Asrul Harahap. “Pesan Dakwah Dalam Kegiatan Mangupa-Upa Adat Batak Angkola Di Dusun Payagoti”. JURNAL ILMIAH RESEARCH AND DEVELOPMENT STUDENT, vol. 4, no. 1, Feb. 2026, pp. 86-102, doi:10.59024/jis.v4i1.1694.