Azha, S. F., S. Abd Hamid, and S. Ismail. “Development of Composite Adsorbent Coating Based Acrylic Polymer/Bentonite for Methylene Blue Removal”. Journal of Engineering and Technological Sciences, vol. 49, no. 2, July 2017, pp. 225-3, doi:10.5614/j.eng.technol.sci.2017.49.2.5.