Negoro, R.A. 2023. Lecture Room Acoustics at Unnes: Analysis of Reverberation Time, Noise Distribution, Speech Intelligence. Jurnal Pendidikan Fisika dan Sains (JPFS). 6, 1 (Mar. 2023), 42-49. DOI:https://doi.org/10.52188/jpfs.v6i1.367.