SINGH, Surendra; TIWARI, Nisha. Impact of sodium nitrate on astaxanthin production in green micro- alga Haematococcus pluvialis under laboratory condition. International Journal of Scientific Research in Biological Sciences, [S. l.], v. 7, n. 2, p. 120–122, 2020. Disponível em: https://ijsrbs.isroset.org/index.php/j/article/view/348. Acesso em: 20 may. 2025.