Ahmeda, M., L. J. Stal, and S. Hasnain. “The Morphology and Bioactivity of the Rice Field Cyanobacterium Leptolyngbya”. Revista De Biología Tropical, vol. 62, no. 3, Sept. 2014, pp. 1251–1260, doi:10.15517/rbt.v62i3.8657.