1. Materials Engineering Department, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
2. Grading and Inspection Department, Timber Industry Development Division, Techiman, Ghana
3. Chemical Engineering Department, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
4. Geological Engineering Department, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
5. Forestry Research Institute of Ghana, Council for Scientific and Industrial Research, Kumasi, Ghana