Ivanov, V. N., Koriakina, A. F., Savvinova, G. E., & Anisimov, R. N. (2018). On the Issue of Origin of the Yakut Epic Olonkho. Journal of History Culture and Art Research, 7(1), 194-204. https://doi.org/10.7596/taksad.v7i1.1369