Ahmed, S., Jahan, S. A., Zaman, M., Yeasmin, Z., & 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), 17–26. https://doi.org/10.3329/bjsir.v46i1.8100