(i) 9th Annual Congress, Materials Society of Nigeria. NIMACON 2010. Materials in clean Technologies Development. November 23rd-26th, 2010.
(ii) Third International Conference on Engineering Research and Development (ICERD) 2010. University of Benin, Nigeria. 7th-9th September, 2010.
(iii) Institute of Materials, Minerals and Mining (IOM3) Conference. National Science and Engineering Week 6th-8th March, 2008. www.iom3.org/events/natural.
