Effects of aeration intensity as agitation in simple photobioreactors on leptolyngbya (cyanobacteria) growth as biofuel feedstockAliff Muhammad Orlando, Sulthan Rafii Ardiansyah, Arif Rahman, Nining Betawati Prihantini and NasruddinE3S Web Conf., 67 (2018) 02011DOI: https://doi.org/10.1051/e3sconf/20186702011