Ghani, M. H. @ M. ., N. F. M. . Zamani, A. A. R. . Azram, N. H. . Rahmat, S. K. . Omar, and N. F. M. . Sharif. “An Investigation of Perceptual, Verbal, and Non-Verbal Barriers in the Workplace”. International Journal of Asian Social Science, vol. 12, no. 9, Sept. 2022, pp. 347-59, doi:10.55493/5007.v12i9.4604.