Falodun D., Njoku K.L., Ogunyebi A.L. and Akinola M.O. 2011. Influence of a Mixture of Spent Engine Oil, Fresh Diesel and Gasoline on Nerica Rice (Tox, Mecux and Wita.4) Tiller and Panicle Parameters. International Journal of Research in Chemistry and Environment (IJRCE). 2, 1 (Dec. 2011), 178–194.