R.A. Hamid, A., & F. Osman, A. (2018). Effects of Ultrasonication Time on Thermal Stability and Swelling Behaviour of The Commercial Organo-Montmorillonite (O-MMT). International Journal of Engineering & Technology, 7(2.23), 288-291. https://doi.org/10.14419/ijet.v7i2.23.11934