چکيده
Biomass and biofuels have attracted many attentions in the recent world due to environmental considerations and economic debates. The important issue in related to them is the continuity and sustainability of their supply. Sourcing and procurement of biomass and biofuels is an important issue, considering that some of these resources are in the field of agriculture, including the stages of cultivation and harvesting; so according to these issues it is focused on sourcing and procurement of biomass and biofuels in this research semirar.
