Taiwo, E. M., K. B. Yahya, Z. Haron, G. M. Dare, and A. Sunday. “Acoustic Characterization of Composites Made of Gypsum and Pineapple Leaf Fibres”. American Journal of IR 4.0 and Beyond, vol. 2, no. 2, Sept. 2023, pp. 30-38, doi:10.54536/ajirb.v2i2.1802.