1. Department of Mechanical Engineering, Higher Technical Teacher Training College Douala (ENSET), University of Douala, Douala, Cameroon
2. Laboratory of Forest Resources and Wood Valorization (LaReFoB), ENSET of Douala, Douala
3. Laboratory of Materials Mechanics, Structures and Integrated Manufacturing, National Advanced School of Engineering, Yaoundé 1 University, Yaoundé, Cameroon
4. Laboratory of Studies and Research on Wood Material (LERMAB), University of Lorraine, Epinal, France
5. Department of Mechanical Petroleum and Gas Engineering, Faculty of Mines and Petroleum Industries, University of Maroua, Kaélé, Cameroun
6. Laboratory of Materials, Architecture and Civil Engineering, National Advanced School of Engineering, University of Maroua, Maroua, Cameroun