Feiferis, A. R., & d’Almeida, J. R. M. (2016). Evaluation of Water Absorption Effects on the Mechanical Properties and Sound Propagation Behavior of Polyester Matrix- Sponge Gourd Reinforced Composite. Journal of Composites and Biodegradable Polymers, 4(1), 26–31. https://doi.org/10.12974/2311-8717.2016.04.01.4