Haron Z, Jusli E, Md Nor H, Putra Jaya R, Yaacob H, Yahya K, et al. Prediction of Sound Absorption Coefficient for Double Layer Rubberised Concrete Blocks. IJET [Internet]. 2018 May 22 [cited 2025 Jun. 2];7(2.29):704-10. Available from: https://mail.sciencepubco.com/index.php/IJET/article/view/14002