1. Research Center for Chemistry National Research and Innovation Agency (BRIN) Tangerang Selatan Indonesia
2. Department of Chemistry Universitas Negeri Semarang Semarang Indonesia
3. Research Center for Biomass and Bioproducts National Research and Innovation Agency (BRIN) Bogor Indonesia
4. Department of Wood Industry, Faculty of Applied Sciences Universiti Teknologi MARA (UiTM) Cawangan Pahang Kampus Jengka Bandar Tun Razak Malaysia
5. Institute of Tropical Forestry and Forest Products Universiti Putra Malaysia Serdang Malaysia
6. Faculty of Forest Industry University of Forestry Sofia Bulgaria