L. S. . Sumbayak, F. A. . Tarigan, T. . Simanjuntak, N. . Parhusip, and J. . Situmorang, “An Analysis Of Students’ Speaking Anxiety Of 10th Grade Students At SMA Negeri 1 Siantar”, JPDK, vol. 4, no. 6, pp. 3506–3510, Nov. 2022.