Meilawati, Avi, Suwarna Suwarna, and Fatkurrahman Nur Awalin. 2026. “Perceptual Assessment of Coherence, Fluency, Voice Modulation, and Language Modulation in Public Speaking Performance”. International Journal of Social Science Research and Review 9 (2), 355-70. https://doi.org/10.47814/ijssrr.v9i2.3235.