1. Shittu O. B., Akintokun A. K., Akintokun P. O., and Gbadebo A. M. 2004 : Effect of Diazinon Application on soil properties and soil microflora. Proceedings of the Fsirst International Conference on Science and National Development. Organized by Collecge of Natural Sciences, University of Agriculture, Abeoksuta. Held at the University of Agriculture, Abeokauta, Nigeria. 25th – 28th Oct. 2004.
2. Shittu O. B., Taiwo O., and Popoola T. O. S. 2004: Potential for the use of Calotopis procera leaves for waste water treatment. Proceedings of the First International Conference on Science and National Development. Organized by College of Natural Sciences, University of Agriculture, Abeokuta. Held at the University of Agriculture, Abeokuta, Nigeria. 25th – 28th Oct. 2004.