1. Department of Chemical Engineering, Faculty of Industrial Technology Institut Teknologi Bandung Bandung Indonesia
2. Biomass Technology Workshop Institut Teknologi Bandung Sumedang Indonesia
3. Department of Bioenergy Engineering and Chemurgy, Faculty of Industrial Technology Institut Teknologi Bandung Sumedang Indonesia
4. Department of Chemical Engineering, Faculty of Industrial Technology Universitas Bung Hatta Padang Indonesia