Simangunsong, E. H. ., Pasaribu, A. N. ., & Sembiring, R. A. . (2022). Directive and Commissive Speech in Roald Dahl Novel: The Umbrella Man. Jurnal Pendidikan Dan Konseling (JPDK), 4(5), 4265–4276. https://doi.org/10.31004/jpdk.v4i5.7295