2. Murthy, P. S. dan Naidu, M. M. (2012). Sustainable management of coffee industry by products and value addition-A review, Resource Conservation     and Recycling, 66: 45-58.
3. Shen, Y., Ma, D. dan Ge, X. (2017). CO2-looping in biomass pyrolysis or gasification, Sustainable energy and Fuels, 1, 1700-1729
3. https://www.indonesia-investments.com/id/bisnis/komoditas/kopi/item186?
Beri Komentar
Belum ada komentar. Jadilah yang pertama untuk memberikan komentar!