Siahaan, H.V.F., Tarigan, J., Purba, D. and Hutarabat, I. 2024. Exploring the transitivity system realization in Batak Toba song lyrics discourse: Systemic functional linguistic study . JOALL (Journal of Applied Linguistics and Literature). 9, 2 (Oct. 2024), 533–558. DOI:https://doi.org/10.33369/joall.v9i2.35306.