Enobong Patrick Obot, Rufus Chika Okoro, Daniel Effiong Oku, Christian Nlemchukwu Nwosu and Michael Ugwu Onuu 2023. The Acoustical Analysis of Insertion Losses of Ceiling Materials. Proceedings of the Pakistan Academy of Sciences: A. Physical and Computational Sciences. 60, 3 (Sep. 2023), 15–25. DOI:https://doi.org/10.53560/PPASA(60-3)635.