Then C, Othman Z, Mustapha W, Sarmidi M, Aziz R, El Enshasy H. Production of Alginate by Azotobacter vinelandii in semi-industrial scale using batch and fed-batch cultivation systems. JASR [Internet]. 10Nov.2012 [cited 14May2026];3(04):45-0. Available from: https://www.sciensage.info/index.php/JASR/article/view/130