| 1 | J. B. Holm-Nielsen, E. A. Ehimen. Biomass Supply Chains for Bioenergy and Biorefining. Woodhead Publishing |
| 2 | G. R. Timilsina, D. Zilberman. The Impacts of Biofuels on the Economy, Environment, and Poverty. Springer-Verlag New York |
| 3 | N. EL Bassam. Energy Plant Species: Their Use and Impact on Environment and Development. Routledge |
| 4 | P. Lamers, J. R. Hess, E. Searcy. Developing the Global Bioeconomy:Technical, Market, and Environmental Lessons from Bioenergy. Academic Press |