1. Department of Agricultural and Biosystem Engineering, Faculty of Agro-Industrial Technology, Universitas Padjadjaran, Jatinangor, Indonesia
2. Department of Mechanical and Biosystem Engineering, Faculty of Agricultural Engineering and Technology, IPB University, Bogor, Indonesia
3. Department of Physics, Faculty of Mathematics and Natural Sciences, IPB University, Bogor, Indonesia
4. Department of Forest Products, Faculty of Forestry, IPB University, Bogor, Indonesia