Sound absorption of lightweight brick containing expanded polystyrene beads and palm oil fuel ash

by Adnan S.H.; Kamarulzaman N.A.; Mohd Sari K.A.; Osman M.H.; Jamellodin Z.; Abdul Hamid N.A.; Alisibramulisi A.; Abdul Roni N.; Mohd Yassin N.I.; Wahee Anuar M.N.A.
Published in IOP Conference Series: Earth and Environmental Science (2020)