1. Physical Sciences College of Pure and Applied Sciences,Mathematics Programme Department,Omu-Aran,Kwara State
2. University of Ilorin,Faculty of Physical Sciences,Department of Mathematics,Ilorin,Kwara State
3. British Canadian University,Department of Physics,Obudu,Cross-Rivers State
4. Olabisi Onabanjo University,Mathematical Sciences,Ago-Iwoye,Ogun State,Nigeria,P.M.B. 2002
5. Kwara State Collection of Education (Technical),Department of Mathematics,Lafigi,Kwara State,Nigeria