F.Hifney, Awatief, and Refat Abdel-Basset. “Hydrogen Production and Metabolic Response of Spirulina Sp , Calothrix Parteniana and Oscillatoria Sp to Sulphur and /Or Nitrogen Deficiency”. JOURNAL OF ADVANCES IN BIOLOGY 6, no. 3 (March 2, 2015): 1131–1143. Accessed December 4, 2024. https://rajpub.com/index.php/jab/article/view/5341.