Purba, N. and Sutikno 2023. Oral Literature of the Batak Society "Si Jonaha" and its Implications in Teaching Materials for Students of SMP Negeri 4 Satu Atap Pulau Rakyat Academic Year 2022-2023. International Journal of Social Sciences and Humanities Invention. 10, 03 (Mar. 2023), 7784–7788. DOI:https://doi.org/10.18535/ijsshi/v10i03.04.