1. University of Ilorin Department of Chemical Engineering P. M. B. 1515 Ilorin Nigeria
2. SASTRA Deemed University Department of Biotechnology School of Chemical and Biotechnology Thanjavur India
3. University of Ilorin Department of Industrial Chemistry Faculty of Physical Sciences P. M. B. 1515 Ilorin Nigeria
4. Ladoke Akintola University of Technology Department of Pure and Applied Chemistry P. M. B. 4000 Ogbomosho Nigeria
5. Nnamdi Azikiwe University Department of Chemical Engineering P. M. B. 5025 Awka Nigeria