1. Research Center for Mining Technology, National Research and Innovation Agency (BRIN), South Lampung, Indonesia
2. Research Center for Limnology and Water Resources, National Research and Innovation Agency (BRIN), Bogor, Indonesia
3. Research and Development Department, PT Rimba Makmur Utama, Bogor, Indonesia
4. Institute for Science in Society, Faculty of Science, Radboud University, Nijmegen, The Netherlands