Oladoja, N. A., C. M. A. Ademoroti, J. A. Idiaghe, and A. A. Oketolaa. “Column Treatment of Brewery Wastewater Using Clay Fortified With Stone-Pebbles”. Biological Sciences - PJSIR, vol. 49, no. 1, Feb. 2006, pp. 31-38, https://v2.pjsir.org/index.php/biological-sciences/article/view/1106.