HASAN, M. Investigation on the Nitrogen Fixing Cyanobacteria (BGA) in Rice Fields of North-West Region of Bangladesh. III: Filamentous (Heterocystous). Journal of Environmental Science and Natural Resources, [S. l.], v. 6, n. 1, p. 253–259, 2015. DOI: 10.3329/jesnr.v6i1.22075. Disponível em: https://banglajol.info/index.php/JESNR/article/view/22075. Acesso em: 16 aug. 2024.