1. Chemical & Petroleum Option, Department of Science Laboratory Technology, University of Jos, Jos, Nigeria
2. Centre of Lipids Engineering & Applied Research (CLEAR), Ibnu Sina Institute for Scientific & Industrial Research (ISI-SIR), Universiti Teknologi Malaysia, Johor Bahru, Malaysia
3. Department of Chemical Engineering, Abubakar Tafawa Balewa University, Bauchi, Nigeria