Affan, Md-Abu Variation of Spirulina maxima biomass production in different depths of urea-used culture medium. [electronic resource] - Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] - 991-1000 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1678-4405 Standard No.: 10.1590/S1517-838246420140188 doi Subjects--Topical Terms: BiomassCulture Media--chemistryCulture Techniques--instrumentationSpirulina--growth & developmentUrea--analysis