Sembiring, Bimbi, et al. “THE EXPLORATION AND ANALYSIS OF NANTAMPUK MMAS FOLKLORE AND PAKPAK BHARAT CULTURE, CUSTOM, AND TRADITION ”. IJLECR (International Journal of Language Education and Cultural Review), vol. 7, no. 2, Dec. 2021, pp. 170-8, doi:10.21009/IJLECR.072.16.