Siregar, S. H., O. . Syahbella, and A. R. . Ramadhanti. “Modification of Montmorillonite With Sawdust As Noise Dampening Bricks”. Acta Chimica Asiana, vol. 7, no. 1, Apr. 2024, pp. 443-8, doi:10.29303/aca.v7i1.176.