A low-cost media for leptolyngbya (cyanobacteria) strain growth isolated from indonesia as a potential biofuel feedstockNurul Rakhmayanti, Alinda Nurmarina, Nining Betawati Prihantini, Sri Handayani and NasruddinE3S Web Conf., 67 (2018) 02013DOI: https://doi.org/10.1051/e3sconf/20186702013