Retracted: Evaluation of Reverberation Time (RT-60) and Speech Transmission Index (STI) of classroom at higher learning education

  • R Abdullah
  • S.I. Ismail
  • M.T. Miskon
  • M.Z. Jusoh
  • N.N.S.N. Dzulkefli
Keywords: acoustic, odeon software, reverberation time (RT-60), speech transmissin index (STI)


This article was withdrawn and retracted by the Journal of Fundamental and Applied Sciences and has been removed from AJOL at the request of the journal Editor in Chief and the organisers of the conference at which the articles were presented ( Please address any queries to


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eISSN: 1112-9867