OKAREH, O. T.; ENESI, O. D.; OLAWOYIN, R. Production of Citric Acid from Solid State Fermentation of Sugarcane Waste using <i>Aspergillus Niger</i> and Indigenous Sugarcane Microflora. African Journal of Sustainable Development, [S. l.], v. 6, n. 1, p. 147–160, 2016. Disponível em: https://www.ajol.info/index.php/ajsd/article/view/131665. Acesso em: 7 oct. 2026.