Amarasingha, N.D.; Bodhika, J.A.P.; Dharmaratna, W.G.D.; Jayatissa, L.P.
(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
Sound absorption properties of one of the commonly used short-lived decorative perennial plant types in Sri Lanka, Coleus forskohlii (Plectranthus scutellarioides), is studied. The variation of reverberation time (RT60) ...