Sodsri, Chukiet. “A Study of Classroom Acoustics and Its Effects of Listeners’ Locations on Speech Intelligibility”. ECTI Transactions on Computer and Information Technology (ECTI-CIT) 7, no. 1 (April 6, 2016): 64–71. Accessed May 14, 2024. https://ph01.tci-thaijo.org/index.php/ecticit/article/view/54354.