Amenaghawon N, Osazuwa O, Ebewele O. Optimising the Effect of Stimulants on Citric Acid Production from Cocoyam Starch Using Aspergillus Niger. Nig. J. Tech. [Internet]. 2015 Sep. 27 [cited 2026 Sep. 28];34(4):724-30. Available from: https://www.ajol.info/index.php/njt/article/view/124036