Dg. H. Kassim, et al. “EFFECT OF PYRAMIDAL DOME GEOMETRY ON THE ACOUSTICAL CHARACTERISTICS IN A MOSQUE: Mosque; Speech Intelligibility; Pyramidal Dome; Reverberation Time”. Journal of Mechanical Engineering and Sciences, vol. 7, no. 1, Dec. 2014, pp. 1127-33, doi:10.15282/jmes.7.2014.11.0109.