1. Ahmad Wahyudi:
Faculty of Agricultural and Animal Science, Muhammadiyah Malang University,Malang,Indonesia
2. Dicky Pamungkas:
Institute of Beef Cattle Research,Jl. Pahlawan, Grati, Pasuruan,Indonesia
3. Roy Hendroko Setyobudi:
Ma Chung Research Center for Photosynthetic Pigments, Vila Puncak Tidar N-01,
Malang, Indonesia; Indonesia Association of Bioenergy Scientist and Technologist,
BPPT Building II, 22nd Floor, Jl. MH. Thamrin No. 8 Jakarta
4. Listriari Hendraningsih:
Faculty of Agricultural and Animal Science, Muhammadiyah Malang University,Malang,Indonesia
5. Zane Vincēviča-Gaile:
Department of Environmental Science, University of Latvia,Raina Blvd. 19, Riga, LV-1586,Latvia, European Union