Ahmed, S., Jahan, S. A., Zaman, M., Yeasmin, Z. and Ahsan, M. (2011) “Photodegradation of Methylene Blue Mediated by Rice Husk Ash (RHA)-TiO<sub>2</sup> Composite”, Bangladesh Journal of Scientific and Industrial Research, 46(1), pp. 17–26. doi: 10.3329/bjsir.v46i1.8100.