Betiku, E., Ajala, E. and Layokun, S. (2011) “Optimization Of Breadfruit Hydrolysate Medium For Gluconic Acid Production By Filamentous Fungus Aspergillus niger”, Ife Journal of Technology, 20(2), pp. 30–35. Available at: http://ijt.oauife.edu.ng/index.php/ijt/article/view/89 (Accessed: 11 October 2025).