Osasona, O., Fisusi, A. A., Osasona, C., Onabanjo, B., & Yesufu, T. K. (2011). Speech Intelligibility of Lecture Theatres in Obafemi Awolowo University, Ile-Ife, Nigeria. Ife Journal of Technology, 20(1), 25-33. Retrieved from http://ijt.oauife.edu.ng/index.php/ijt/article/view/76