Kennedy, Posma Sariguna Johnson. “Peningkatan Pemahaman Story-Driven Marketing Pada Legenda Batu Parsidangan Huta Siallagan Samosir, Sumatera Utara”. AMMA : Jurnal Pengabdian Masyarakat 1, no. 09 (October 25, 2022): 1101–1109. Accessed October 5, 2024. https://journal.mediapublikasi.id/index.php/amma/article/view/1026.