M. N. Mohd Jaafar1, K. Jusoff2*, Mohamed Seroleh Osman1 and Mohd Shaiful Ashrul Ishak3
1Department of Aeronautical Engineering, Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor, Malaysia.
2Faculty of Forestry, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia.
3School of Manufacturing Engineering, Universiti Malaysia Perlis, P. O. Box 77, Pejabat Pos Besar, 01000 Kangar, Perlis, Malaysia.
Email: [email protected]